source3/smbd/reply.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Main SMB reply routines
   4    Copyright (C) Andrew Tridgell 1992-1998
   5    Copyright (C) Andrew Bartlett      2001
   6    Copyright (C) Jeremy Allison 1992-2004.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22 /*
  23    This file handles most of the reply_ calls that the server
  24    makes to handle specific protocols
  25 */
  26
  27 #include "includes.h"
  28
  29 /* look in server.c for some explanation of these variables */
  30 extern enum protocol_types Protocol;
  31 extern int max_send;
  32 extern int max_recv;
  33 extern char magic_char;
  34 extern int global_oplock_break;
  35 unsigned int smb_echo_count = 0;
  36 extern uint32 global_client_caps;
  37
  38 extern BOOL global_encrypted_passwords_negotiated;
  39
  40 /****************************************************************************
  41  Ensure we check the path in *exactly* the same way as W2K.
  42  We're assuming here that '/' is not the second byte in any multibyte char
  43  set (a safe assumption). '\\' *may* be the second byte in a multibyte char
  44  set.
  45 ****************************************************************************/
  46
  47 NTSTATUS check_path_syntax(pstring destname, const pstring srcname, BOOL allow_wcard_names)
  48 {
  49         char *d = destname;
  50         const char *s = srcname;
  51         NTSTATUS ret = NT_STATUS_OK;
  52         BOOL start_of_name_component = True;
  53         unsigned int num_bad_components = 0;
  54
  55         while (*s) {
  56                 if (IS_DIRECTORY_SEP(*s)) {
  57                         /*
  58                          * Safe to assume is not the second part of a mb char as this is handled below.
  59                          */
  60                         /* Eat multiple '/' or '\\' */
  61                         while (IS_DIRECTORY_SEP(*s)) {
  62                                 s++;
  63                         }
  64                         if ((d != destname) && (*s != '\0')) {
  65                                 /* We only care about non-leading or trailing '/' or '\\' */
  66                                 *d++ = '/';
  67                         }
  68
  69                         start_of_name_component = True;
  70                         continue;
  71                 }
  72
  73                 if (start_of_name_component) {
  74                         if ((s[0] == '.') && (s[1] == '.') && (IS_DIRECTORY_SEP(s[2]) || s[2] == '\0')) {
  75                                 /* Uh oh - "/../" or "\\..\\"  or "/..\0" or "\\..\0" ! */
  76
  77                                 /*
  78                                  * No mb char starts with '.' so we're safe checking the directory separator here.
  79                                  */
  80
  81                                 /* If  we just added a '/' - delete it */
  82                                 if ((d > destname) && (*(d-1) == '/')) {
  83                                         *(d-1) = '\0';
  84                                         d--;
  85                                 }
  86
  87                                 /* Are we at the start ? Can't go back further if so. */
  88                                 if (d <= destname) {
  89                                         ret = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
  90                                         break;
  91                                 }
  92                                 /* Go back one level... */
  93                                 /* We know this is safe as '/' cannot be part of a mb sequence. */
  94                                 /* NOTE - if this assumption is invalid we are not in good shape... */
  95                                 /* Decrement d first as d points to the *next* char to write into. */
  96                                 for (d--; d > destname; d--) {
  97                                         if (*d == '/')
  98                                                 break;
  99                                 }
 100                                 s += 2; /* Else go past the .. */
 101                                 /* We're still at the start of a name component, just the previous one. */
 102
 103                                 if (num_bad_components) {
 104                                         /* Hmmm. Should we only decrement the bad_components if
 105                                            we're removing a bad component ? Need to check this. JRA. */
 106                                         num_bad_components--;
 107                                 }
 108
 109                                 continue;
 110
 111                         } else if ((s[0] == '.') && ((s[1] == '\0') || IS_DIRECTORY_SEP(s[1]))) {
 112                                 /* Component of pathname can't be "." only. */
 113                                 ret =  NT_STATUS_OBJECT_NAME_INVALID;
 114                                 num_bad_components++;
 115                                 *d++ = *s++;
 116                                 continue;
 117                         }
 118                 }
 119
 120                 if (!(*s & 0x80)) {
 121                         if (allow_wcard_names) {
 122                                 *d++ = *s++;
 123                         } else {
 124                                 switch (*s) {
 125                                         case '*':
 126                                         case '?':
 127                                         case '<':
 128                                         case '>':
 129                                         case '"':
 130                                                 return NT_STATUS_OBJECT_NAME_INVALID;
 131                                         default:
 132                                                 *d++ = *s++;
 133                                                 break;
 134                                 }
 135                         }
 136                 } else {
 137                         switch(next_mb_char_size(s)) {
 138                                 case 4:
 139                                         *d++ = *s++;
 140                                 case 3:
 141                                         *d++ = *s++;
 142                                 case 2:
 143                                         *d++ = *s++;
 144                                 case 1:
 145                                         *d++ = *s++;
 146                                         break;
 147                                 default:
 148                                         DEBUG(0,("check_path_syntax: character length assumptions invalid !\n"));
 149                                         *d = '\0';
 150                                         return NT_STATUS_INVALID_PARAMETER;
 151                         }
 152                 }
 153                 if (start_of_name_component && num_bad_components) {
 154                         num_bad_components++;
 155                 }
 156                 start_of_name_component = False;
 157         }
 158
 159         if (NT_STATUS_EQUAL(ret, NT_STATUS_OBJECT_NAME_INVALID)) {
 160                 /* For some strange reason being called from findfirst changes
 161                    the num_components number to cause the error return to change. JRA. */
 162                 if (allow_wcard_names) {
 163                         if (num_bad_components > 2) {
 164                                 ret = NT_STATUS_OBJECT_PATH_NOT_FOUND;
 165                         }
 166                 } else {
 167                         if (num_bad_components > 1) {
 168                                 ret = NT_STATUS_OBJECT_PATH_NOT_FOUND;
 169                         }
 170                 }
 171         }
 172
 173         *d = '\0';
 174         return ret;
 175 }
 176
 177 /****************************************************************************
 178  Pull a string and check the path - provide for error return.
 179 ****************************************************************************/
 180
 181 size_t srvstr_get_path(char *inbuf, char *dest, const char *src, size_t dest_len, size_t src_len, int flags, NTSTATUS *err, BOOL allow_wcard_names)
 182 {
 183         pstring tmppath;
 184         char *tmppath_ptr = tmppath;
 185         size_t ret;
 186 #ifdef DEVELOPER
 187         SMB_ASSERT(dest_len == sizeof(pstring));
 188 #endif
 189
 190         if (src_len == 0) {
 191                 ret = srvstr_pull_buf( inbuf, tmppath_ptr, src, dest_len, flags);
 192         } else {
 193                 ret = srvstr_pull( inbuf, tmppath_ptr, src, dest_len, src_len, flags);
 194         }
 195         *err = check_path_syntax(dest, tmppath, allow_wcard_names);
 196         return ret;
 197 }
 198
 199 /****************************************************************************
 200  Reply to a special message.
 201 ****************************************************************************/
 202
 203 int reply_special(char *inbuf,char *outbuf)
 204 {
 205         int outsize = 4;
 206         int msg_type = CVAL(inbuf,0);
 207         int msg_flags = CVAL(inbuf,1);
 208         fstring name1,name2;
 209         char name_type = 0;
 210
 211         static BOOL already_got_session = False;
 212
 213         *name1 = *name2 = 0;
 214
 215         memset(outbuf,'\0',smb_size);
 216
 217         smb_setlen(outbuf,0);
 218
 219         switch (msg_type) {
 220         case 0x81: /* session request */
 221
 222                 if (already_got_session) {
 223                         exit_server("multiple session request not permitted");
 224                 }
 225
 226                 SCVAL(outbuf,0,0x82);
 227                 SCVAL(outbuf,3,0);
 228                 if (name_len(inbuf+4) > 50 ||
 229                     name_len(inbuf+4 + name_len(inbuf + 4)) > 50) {
 230                         DEBUG(0,("Invalid name length in session request\n"));
 231                         return(0);
 232                 }
 233                 name_extract(inbuf,4,name1);
 234                 name_type = name_extract(inbuf,4 + name_len(inbuf + 4),name2);
 235                 DEBUG(2,("netbios connect: name1=%s name2=%s\n",
 236                          name1,name2));
 237
 238                 set_local_machine_name(name1, True);
 239                 set_remote_machine_name(name2, True);
 240
 241                 DEBUG(2,("netbios connect: local=%s remote=%s, name type = %x\n",
 242                          get_local_machine_name(), get_remote_machine_name(),
 243                          name_type));
 244
 245                 if (name_type == 'R') {
 246                         /* We are being asked for a pathworks session ---
 247                            no thanks! */
 248                         SCVAL(outbuf, 0,0x83);
 249                         break;
 250                 }
 251
 252                 /* only add the client's machine name to the list
 253                    of possibly valid usernames if we are operating
 254                    in share mode security */
 255                 if (lp_security() == SEC_SHARE) {
 256                         add_session_user(get_remote_machine_name());
 257                 }
 258
 259                 reload_services(True);
 260                 reopen_logs();
 261
 262                 already_got_session = True;
 263                 break;
 264
 265         case 0x89: /* session keepalive request
 266                       (some old clients produce this?) */
 267                 SCVAL(outbuf,0,SMBkeepalive);
 268                 SCVAL(outbuf,3,0);
 269                 break;
 270
 271         case 0x82: /* positive session response */
 272         case 0x83: /* negative session response */
 273         case 0x84: /* retarget session response */
 274                 DEBUG(0,("Unexpected session response\n"));
 275                 break;
 276
 277         case SMBkeepalive: /* session keepalive */
 278         default:
 279                 return(0);
 280         }
 281
 282         DEBUG(5,("init msg_type=0x%x msg_flags=0x%x\n",
 283                     msg_type, msg_flags));
 284
 285         return(outsize);
 286 }
 287
 288 /****************************************************************************
 289  Reply to a tcon.
 290 ****************************************************************************/
 291
 292 int reply_tcon(connection_struct *conn,
 293                char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
 294 {
 295         const char *service;
 296         pstring service_buf;
 297         pstring password;
 298         pstring dev;
 299         int outsize = 0;
 300         uint16 vuid = SVAL(inbuf,smb_uid);
 301         int pwlen=0;
 302         NTSTATUS nt_status;
 303         char *p;
 304         DATA_BLOB password_blob;
 305
 306         START_PROFILE(SMBtcon);
 307
 308         *service_buf = *password = *dev = 0;
 309
 310         p = smb_buf(inbuf)+1;
 311         p += srvstr_pull_buf(inbuf, service_buf, p, sizeof(service_buf), STR_TERMINATE) + 1;
 312         pwlen = srvstr_pull_buf(inbuf, password, p, sizeof(password), STR_TERMINATE) + 1;
 313         p += pwlen;
 314         p += srvstr_pull_buf(inbuf, dev, p, sizeof(dev), STR_TERMINATE) + 1;
 315
 316         p = strrchr_m(service_buf,'\\');
 317         if (p) {
 318                 service = p+1;
 319         } else {
 320                 service = service_buf;
 321         }
 322
 323         password_blob = data_blob(password, pwlen+1);
 324
 325         conn = make_connection(service,password_blob,dev,vuid,&nt_status);
 326
 327         data_blob_clear_free(&password_blob);
 328
 329         if (!conn) {
 330                 END_PROFILE(SMBtcon);
 331                 return ERROR_NT(nt_status);
 332         }
 333
 334         outsize = set_message(outbuf,2,0,True);
 335         SSVAL(outbuf,smb_vwv0,max_recv);
 336         SSVAL(outbuf,smb_vwv1,conn->cnum);
 337         SSVAL(outbuf,smb_tid,conn->cnum);
 338
 339         DEBUG(3,("tcon service=%s cnum=%d\n",
 340                  service, conn->cnum));
 341
 342         END_PROFILE(SMBtcon);
 343         return(outsize);
 344 }
 345
 346 /****************************************************************************
 347  Reply to a tcon and X.
 348 ****************************************************************************/
 349
 350 int reply_tcon_and_X(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize)
 351 {
 352         fstring service;
 353         DATA_BLOB password;
 354
 355         /* what the cleint thinks the device is */
 356         fstring client_devicetype;
 357         /* what the server tells the client the share represents */
 358         const char *server_devicetype;
 359         NTSTATUS nt_status;
 360         uint16 vuid = SVAL(inbuf,smb_uid);
 361         int passlen = SVAL(inbuf,smb_vwv3);
 362         pstring path;
 363         char *p, *q;
 364         extern BOOL global_encrypted_passwords_negotiated;
 365
 366         START_PROFILE(SMBtconX);
 367
 368         *service = *client_devicetype = 0;
 369
 370         /* we might have to close an old one */
 371         if ((SVAL(inbuf,smb_vwv2) & 0x1) && conn) {
 372                 close_cnum(conn,vuid);
 373         }
 374
 375         if (passlen > MAX_PASS_LEN) {
 376                 return ERROR_DOS(ERRDOS,ERRbuftoosmall);
 377         }
 378
 379         if (global_encrypted_passwords_negotiated) {
 380                 password = data_blob(smb_buf(inbuf),passlen);
 381         } else {
 382                 password = data_blob(smb_buf(inbuf),passlen+1);
 383                 /* Ensure correct termination */
 384                 password.data[passlen]=0;
 385         }
 386
 387         p = smb_buf(inbuf) + passlen;
 388         p += srvstr_pull_buf(inbuf, path, p, sizeof(path), STR_TERMINATE);
 389
 390         /*
 391          * the service name can be either: \\server\share
 392          * or share directly like on the DELL PowerVault 705
 393          */
 394         if (*path=='\\') {
 395                 q = strchr_m(path+2,'\\');
 396                 if (!q) {
 397                         END_PROFILE(SMBtconX);
 398                         return(ERROR_DOS(ERRDOS,ERRnosuchshare));
 399                 }
 400                 fstrcpy(service,q+1);
 401         }
 402         else
 403                 fstrcpy(service,path);
 404
 405         p += srvstr_pull(inbuf, client_devicetype, p, sizeof(client_devicetype), 6, STR_ASCII);
 406
 407         DEBUG(4,("Client requested device type [%s] for share [%s]\n", client_devicetype, service));
 408
 409         conn = make_connection(service,password,client_devicetype,vuid,&nt_status);
 410
 411         data_blob_clear_free(&password);
 412
 413         if (!conn) {
 414                 END_PROFILE(SMBtconX);
 415                 return ERROR_NT(nt_status);
 416         }
 417
 418         if ( IS_IPC(conn) )
 419                 server_devicetype = "IPC";
 420         else if ( IS_PRINT(conn) )
 421                 server_devicetype = "LPT1:";
 422         else
 423                 server_devicetype = "A:";
 424
 425         if (Protocol < PROTOCOL_NT1) {
 426                 set_message(outbuf,2,0,True);
 427                 p = smb_buf(outbuf);
 428                 p += srvstr_push(outbuf, p, server_devicetype, -1,
 429                                  STR_TERMINATE|STR_ASCII);
 430                 set_message_end(outbuf,p);
 431         } else {
 432                 /* NT sets the fstype of IPC$ to the null string */
 433                 const char *fstype = IS_IPC(conn) ? "" : lp_fstype(SNUM(conn));
 434
 435                 set_message(outbuf,3,0,True);
 436
 437                 p = smb_buf(outbuf);
 438                 p += srvstr_push(outbuf, p, server_devicetype, -1,
 439                                  STR_TERMINATE|STR_ASCII);
 440                 p += srvstr_push(outbuf, p, fstype, -1,
 441                                  STR_TERMINATE);
 442
 443                 set_message_end(outbuf,p);
 444
 445                 /* what does setting this bit do? It is set by NT4 and
 446                    may affect the ability to autorun mounted cdroms */
 447                 SSVAL(outbuf, smb_vwv2, SMB_SUPPORT_SEARCH_BITS|
 448                                 (lp_csc_policy(SNUM(conn)) << 2));
 449
 450                 init_dfsroot(conn, inbuf, outbuf);
 451         }
 452
 453
 454         DEBUG(3,("tconX service=%s \n",
 455                  service));
 456
 457         /* set the incoming and outgoing tid to the just created one */
 458         SSVAL(inbuf,smb_tid,conn->cnum);
 459         SSVAL(outbuf,smb_tid,conn->cnum);
 460
 461         END_PROFILE(SMBtconX);
 462         return chain_reply(inbuf,outbuf,length,bufsize);
 463 }
 464
 465 /****************************************************************************
 466  Reply to an unknown type.
 467 ****************************************************************************/
 468
 469 int reply_unknown(char *inbuf,char *outbuf)
 470 {
 471         int type;
 472         type = CVAL(inbuf,smb_com);
 473
 474         DEBUG(0,("unknown command type (%s): type=%d (0x%X)\n",
 475                  smb_fn_name(type), type, type));
 476
 477         return(ERROR_DOS(ERRSRV,ERRunknownsmb));
 478 }
 479
 480 /****************************************************************************
 481  Reply to an ioctl.
 482 ****************************************************************************/
 483
 484 int reply_ioctl(connection_struct *conn,
 485                 char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
 486 {
 487         uint16 device     = SVAL(inbuf,smb_vwv1);
 488         uint16 function   = SVAL(inbuf,smb_vwv2);
 489         uint32 ioctl_code = (device << 16) + function;
 490         int replysize, outsize;
 491         char *p;
 492         START_PROFILE(SMBioctl);
 493
 494         DEBUG(4, ("Received IOCTL (code 0x%x)\n", ioctl_code));
 495
 496         switch (ioctl_code) {
 497             case IOCTL_QUERY_JOB_INFO:
 498                 replysize = 32;
 499                 break;
 500             default:
 501                 END_PROFILE(SMBioctl);
 502                 return(ERROR_DOS(ERRSRV,ERRnosupport));
 503         }
 504
 505         outsize = set_message(outbuf,8,replysize+1,True);
 506         SSVAL(outbuf,smb_vwv1,replysize); /* Total data bytes returned */
 507         SSVAL(outbuf,smb_vwv5,replysize); /* Data bytes this buffer */
 508         SSVAL(outbuf,smb_vwv6,52);        /* Offset to data */
 509         p = smb_buf(outbuf) + 1;          /* Allow for alignment */
 510
 511         switch (ioctl_code) {
 512                 case IOCTL_QUERY_JOB_INFO:
 513                 {
 514                         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
 515                         if (!fsp) {
 516                                 END_PROFILE(SMBioctl);
 517                                 return(UNIXERROR(ERRDOS,ERRbadfid));
 518                         }
 519                         SSVAL(p,0,fsp->rap_print_jobid);             /* Job number */
 520                         srvstr_push(outbuf, p+2, global_myname(), 15, STR_TERMINATE|STR_ASCII);
 521                         if (conn) {
 522                                 srvstr_push(outbuf, p+18, lp_servicename(SNUM(conn)), 13, STR_TERMINATE|STR_ASCII);
 523                         }
 524                         break;
 525                 }
 526         }
 527
 528         END_PROFILE(SMBioctl);
 529         return outsize;
 530 }
 531
 532 /****************************************************************************
 533  Reply to a chkpth.
 534 ****************************************************************************/
 535
 536 int reply_chkpth(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
 537 {
 538         int outsize = 0;
 539         pstring name;
 540         BOOL ok = False;
 541         BOOL bad_path = False;
 542         SMB_STRUCT_STAT sbuf;
 543         NTSTATUS status;
 544
 545         START_PROFILE(SMBchkpth);
 546
 547         srvstr_get_path(inbuf, name, smb_buf(inbuf) + 1, sizeof(name), 0, STR_TERMINATE, &status, False);
 548         if (!NT_STATUS_IS_OK(status)) {
 549                 END_PROFILE(SMBchkpth);
 550                 return ERROR_NT(status);
 551         }
 552
 553         RESOLVE_DFSPATH(name, conn, inbuf, outbuf);
 554
 555         unix_convert(name,conn,0,&bad_path,&sbuf);
 556         if (bad_path) {
 557                 END_PROFILE(SMBchkpth);
 558                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 559         }
 560
 561         if (check_name(name,conn)) {
 562                 if (VALID_STAT(sbuf) || SMB_VFS_STAT(conn,name,&sbuf) == 0)
 563                         if (!(ok = S_ISDIR(sbuf.st_mode))) {
 564                                 END_PROFILE(SMBchkpth);
 565                                 return ERROR_BOTH(NT_STATUS_NOT_A_DIRECTORY,ERRDOS,ERRbadpath);
 566                         }
 567         }
 568
 569         if (!ok) {
 570                 /* We special case this - as when a Windows machine
 571                         is parsing a path is steps through the components
 572                         one at a time - if a component fails it expects
 573                         ERRbadpath, not ERRbadfile.
 574                 */
 575                 if(errno == ENOENT) {
 576                         /*
 577                          * Windows returns different error codes if
 578                          * the parent directory is valid but not the
 579                          * last component - it returns NT_STATUS_OBJECT_NAME_NOT_FOUND
 580                          * for that case and NT_STATUS_OBJECT_PATH_NOT_FOUND
 581                          * if the path is invalid. This is different from set_bad_path_error()
 582                          * in the non-NT error case.
 583                          */
 584                         END_PROFILE(SMBchkpth);
 585                         return ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpath);
 586                 }
 587
 588                 END_PROFILE(SMBchkpth);
 589                 return(UNIXERROR(ERRDOS,ERRbadpath));
 590         }
 591
 592         outsize = set_message(outbuf,0,0,True);
 593         DEBUG(3,("chkpth %s mode=%d\n", name, (int)SVAL(inbuf,smb_vwv0)));
 594
 595         END_PROFILE(SMBchkpth);
 596         return(outsize);
 597 }
 598
 599 /****************************************************************************
 600  Reply to a getatr.
 601 ****************************************************************************/
 602
 603 int reply_getatr(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
 604 {
 605         pstring fname;
 606         int outsize = 0;
 607         SMB_STRUCT_STAT sbuf;
 608         BOOL ok = False;
 609         int mode=0;
 610         SMB_OFF_T size=0;
 611         time_t mtime=0;
 612         BOOL bad_path = False;
 613         char *p;
 614         NTSTATUS status;
 615
 616         START_PROFILE(SMBgetatr);
 617
 618         p = smb_buf(inbuf) + 1;
 619         p += srvstr_get_path(inbuf, fname, p, sizeof(fname), 0, STR_TERMINATE, &status, False);
 620         if (!NT_STATUS_IS_OK(status)) {
 621                 END_PROFILE(SMBgetatr);
 622                 return ERROR_NT(status);
 623         }
 624
 625         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
 626
 627         /* dos smetimes asks for a stat of "" - it returns a "hidden directory"
 628                 under WfWg - weird! */
 629         if (! (*fname)) {
 630                 mode = aHIDDEN | aDIR;
 631                 if (!CAN_WRITE(conn))
 632                         mode |= aRONLY;
 633                 size = 0;
 634                 mtime = 0;
 635                 ok = True;
 636         } else {
 637                 unix_convert(fname,conn,0,&bad_path,&sbuf);
 638                 if (bad_path) {
 639                         END_PROFILE(SMBgetatr);
 640                         return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 641                 }
 642                 if (check_name(fname,conn)) {
 643                         if (VALID_STAT(sbuf) || SMB_VFS_STAT(conn,fname,&sbuf) == 0) {
 644                                 mode = dos_mode(conn,fname,&sbuf);
 645                                 size = sbuf.st_size;
 646                                 mtime = sbuf.st_mtime;
 647                                 if (mode & aDIR)
 648                                         size = 0;
 649                                 ok = True;
 650                         } else {
 651                                 DEBUG(3,("stat of %s failed (%s)\n",fname,strerror(errno)));
 652                         }
 653                 }
 654         }
 655
 656         if (!ok) {
 657                 END_PROFILE(SMBgetatr);
 658                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRbadfile);
 659         }
 660
 661         outsize = set_message(outbuf,10,0,True);
 662
 663         SSVAL(outbuf,smb_vwv0,mode);
 664         if(lp_dos_filetime_resolution(SNUM(conn)) )
 665                 put_dos_date3(outbuf,smb_vwv1,mtime & ~1);
 666         else
 667                 put_dos_date3(outbuf,smb_vwv1,mtime);
 668         SIVAL(outbuf,smb_vwv3,(uint32)size);
 669
 670         if (Protocol >= PROTOCOL_NT1)
 671                 SSVAL(outbuf,smb_flg2,SVAL(outbuf, smb_flg2) | FLAGS2_IS_LONG_NAME);
 672
 673         DEBUG( 3, ( "getatr name=%s mode=%d size=%d\n", fname, mode, (uint32)size ) );
 674
 675         END_PROFILE(SMBgetatr);
 676         return(outsize);
 677 }
 678
 679 /****************************************************************************
 680  Reply to a setatr.
 681 ****************************************************************************/
 682
 683 int reply_setatr(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
 684 {
 685         pstring fname;
 686         int outsize = 0;
 687         BOOL ok=False;
 688         int mode;
 689         time_t mtime;
 690         SMB_STRUCT_STAT sbuf;
 691         BOOL bad_path = False;
 692         char *p;
 693         NTSTATUS status;
 694
 695         START_PROFILE(SMBsetatr);
 696
 697         p = smb_buf(inbuf) + 1;
 698         p += srvstr_get_path(inbuf, fname, p, sizeof(fname), 0, STR_TERMINATE, &status, False);
 699         if (!NT_STATUS_IS_OK(status)) {
 700                 END_PROFILE(SMBsetatr);
 701                 return ERROR_NT(status);
 702         }
 703
 704         unix_convert(fname,conn,0,&bad_path,&sbuf);
 705         if (bad_path) {
 706                 END_PROFILE(SMBsetatr);
 707                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 708         }
 709
 710         mode = SVAL(inbuf,smb_vwv0);
 711         mtime = make_unix_date3(inbuf+smb_vwv1);
 712
 713         if (mode != FILE_ATTRIBUTE_NORMAL) {
 714                 if (VALID_STAT_OF_DIR(sbuf))
 715                         mode |= aDIR;
 716                 else
 717                         mode &= ~aDIR;
 718
 719                 if (check_name(fname,conn)) {
 720                         ok = (file_set_dosmode(conn,fname,mode,&sbuf,False) == 0);
 721                 }
 722         } else {
 723                 ok = True;
 724         }
 725
 726         if (ok)
 727                 ok = set_filetime(conn,fname,mtime);
 728
 729         if (!ok) {
 730                 END_PROFILE(SMBsetatr);
 731                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS, ERRnoaccess);
 732         }
 733
 734         outsize = set_message(outbuf,0,0,True);
 735
 736         DEBUG( 3, ( "setatr name=%s mode=%d\n", fname, mode ) );
 737
 738         END_PROFILE(SMBsetatr);
 739         return(outsize);
 740 }
 741
 742 /****************************************************************************
 743  Reply to a dskattr.
 744 ****************************************************************************/
 745
 746 int reply_dskattr(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
 747 {
 748         int outsize = 0;
 749         SMB_BIG_UINT dfree,dsize,bsize;
 750         START_PROFILE(SMBdskattr);
 751
 752         SMB_VFS_DISK_FREE(conn,".",True,&bsize,&dfree,&dsize);
 753
 754         outsize = set_message(outbuf,5,0,True);
 755
 756         if (Protocol <= PROTOCOL_LANMAN2) {
 757                 double total_space, free_space;
 758                 /* we need to scale this to a number that DOS6 can handle. We
 759                    use floating point so we can handle large drives on systems
 760                    that don't have 64 bit integers
 761
 762                    we end up displaying a maximum of 2G to DOS systems
 763                 */
 764                 total_space = dsize * (double)bsize;
 765                 free_space = dfree * (double)bsize;
 766
 767                 dsize = (total_space+63*512) / (64*512);
 768                 dfree = (free_space+63*512) / (64*512);
 769
 770                 if (dsize > 0xFFFF) dsize = 0xFFFF;
 771                 if (dfree > 0xFFFF) dfree = 0xFFFF;
 772
 773                 SSVAL(outbuf,smb_vwv0,dsize);
 774                 SSVAL(outbuf,smb_vwv1,64); /* this must be 64 for dos systems */
 775                 SSVAL(outbuf,smb_vwv2,512); /* and this must be 512 */
 776                 SSVAL(outbuf,smb_vwv3,dfree);
 777         } else {
 778                 SSVAL(outbuf,smb_vwv0,dsize);
 779                 SSVAL(outbuf,smb_vwv1,bsize/512);
 780                 SSVAL(outbuf,smb_vwv2,512);
 781                 SSVAL(outbuf,smb_vwv3,dfree);
 782         }
 783
 784         DEBUG(3,("dskattr dfree=%d\n", (unsigned int)dfree));
 785
 786         END_PROFILE(SMBdskattr);
 787         return(outsize);
 788 }
 789
 790 /****************************************************************************
 791  Reply to a search.
 792  Can be called from SMBsearch, SMBffirst or SMBfunique.
 793 ****************************************************************************/
 794
 795 int reply_search(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
 796 {
 797         pstring mask;
 798         pstring directory;
 799         pstring fname;
 800         SMB_OFF_T size;
 801         int mode;
 802         time_t date;
 803         int dirtype;
 804         int outsize = 0;
 805         unsigned int numentries = 0;
 806         unsigned int maxentries = 0;
 807         BOOL finished = False;
 808         char *p;
 809         BOOL ok = False;
 810         int status_len;
 811         pstring path;
 812         char status[21];
 813         int dptr_num= -1;
 814         BOOL check_descend = False;
 815         BOOL expect_close = False;
 816         BOOL can_open = True;
 817         BOOL bad_path = False;
 818         NTSTATUS nt_status;
 819         START_PROFILE(SMBsearch);
 820
 821         *mask = *directory = *fname = 0;
 822
 823         /* If we were called as SMBffirst then we must expect close. */
 824         if(CVAL(inbuf,smb_com) == SMBffirst)
 825                 expect_close = True;
 826
 827         outsize = set_message(outbuf,1,3,True);
 828         maxentries = SVAL(inbuf,smb_vwv0);
 829         dirtype = SVAL(inbuf,smb_vwv1);
 830         p = smb_buf(inbuf) + 1;
 831         p += srvstr_get_path(inbuf, path, p, sizeof(path), 0, STR_TERMINATE, &nt_status, True);
 832         if (!NT_STATUS_IS_OK(nt_status)) {
 833                 END_PROFILE(SMBsearch);
 834                 return ERROR_NT(nt_status);
 835         }
 836         p++;
 837         status_len = SVAL(p, 0);
 838         p += 2;
 839
 840         /* dirtype &= ~aDIR; */
 841
 842         if (status_len == 0) {
 843                 SMB_STRUCT_STAT sbuf;
 844                 pstring dir2;
 845
 846                 pstrcpy(directory,path);
 847                 pstrcpy(dir2,path);
 848                 unix_convert(directory,conn,0,&bad_path,&sbuf);
 849                 unix_format(dir2);
 850
 851                 if (!check_name(directory,conn))
 852                         can_open = False;
 853
 854                 p = strrchr_m(dir2,'/');
 855                 if (p == NULL) {
 856                         pstrcpy(mask,dir2);
 857                         *dir2 = 0;
 858                 } else {
 859                         *p = 0;
 860                         pstrcpy(mask,p+1);
 861                 }
 862
 863                 p = strrchr_m(directory,'/');
 864                 if (!p)
 865                         *directory = 0;
 866                 else
 867                         *p = 0;
 868
 869                 if (strlen(directory) == 0)
 870                         pstrcpy(directory,".");
 871                 memset((char *)status,'\0',21);
 872                 SCVAL(status,0,(dirtype & 0x1F));
 873         } else {
 874                 int status_dirtype;
 875
 876                 memcpy(status,p,21);
 877                 status_dirtype = CVAL(status,0) & 0x1F;
 878                 if (status_dirtype != (dirtype & 0x1F))
 879                         dirtype = status_dirtype;
 880
 881                 conn->dirptr = dptr_fetch(status+12,&dptr_num);
 882                 if (!conn->dirptr)
 883                         goto SearchEmpty;
 884                 string_set(&conn->dirpath,dptr_path(dptr_num));
 885                 pstrcpy(mask, dptr_wcard(dptr_num));
 886         }
 887
 888         if (can_open) {
 889                 p = smb_buf(outbuf) + 3;
 890                 ok = True;
 891
 892                 if (status_len == 0) {
 893                         dptr_num = dptr_create(conn,directory,True,expect_close,SVAL(inbuf,smb_pid));
 894                         if (dptr_num < 0) {
 895                                 if(dptr_num == -2) {
 896                                         END_PROFILE(SMBsearch);
 897                                         return set_bad_path_error(errno, bad_path, outbuf, ERRDOS, ERRnofids);
 898                                 }
 899                                 END_PROFILE(SMBsearch);
 900                                 return ERROR_DOS(ERRDOS,ERRnofids);
 901                         }
 902                         if (!dptr_set_wcard_and_attributes(dptr_num, mask, dirtype)) {
 903                                 END_PROFILE(SMBsearch);
 904                                 return ERROR_DOS(ERRDOS,ERRnomem);
 905                         }
 906                 } else {
 907                         dirtype = dptr_attr(dptr_num);
 908                 }
 909
 910                 DEBUG(4,("dptr_num is %d\n",dptr_num));
 911
 912                 if (ok) {
 913                         if ((dirtype&0x1F) == aVOLID) {
 914                                 memcpy(p,status,21);
 915                                 make_dir_struct(p,"???????????",volume_label(SNUM(conn)),0,aVOLID,0);
 916                                 dptr_fill(p+12,dptr_num);
 917                                 if (dptr_zero(p+12) && (status_len==0))
 918                                         numentries = 1;
 919                                 else
 920                                         numentries = 0;
 921                                 p += DIR_STRUCT_SIZE;
 922                         } else {
 923                                 unsigned int i;
 924                                 maxentries = MIN(maxentries, ((BUFFER_SIZE - (p - outbuf))/DIR_STRUCT_SIZE));
 925
 926                                 DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",
 927                                 conn->dirpath,lp_dontdescend(SNUM(conn))));
 928                                 if (in_list(conn->dirpath, lp_dontdescend(SNUM(conn)),True))
 929                                         check_descend = True;
 930
 931                                 for (i=numentries;(i<maxentries) && !finished;i++) {
 932                                         finished = !get_dir_entry(conn,mask,dirtype,fname,&size,&mode,&date,check_descend);
 933                                         if (!finished) {
 934                                                 memcpy(p,status,21);
 935                                                 make_dir_struct(p,mask,fname,size,mode,date);
 936                                                 dptr_fill(p+12,dptr_num);
 937                                                 numentries++;
 938                                                 p += DIR_STRUCT_SIZE;
 939                                         }
 940                                 }
 941                         }
 942                 } /* if (ok ) */
 943         }
 944
 945
 946   SearchEmpty:
 947
 948         /* If we were called as SMBffirst with smb_search_id == NULL
 949                 and no entries were found then return error and close dirptr
 950                 (X/Open spec) */
 951
 952         if (numentries == 0 || !ok) {
 953                 dptr_close(&dptr_num);
 954         } else if(ok && expect_close && status_len == 0) {
 955                 /* Close the dptr - we know it's gone */
 956                 dptr_close(&dptr_num);
 957         }
 958
 959         /* If we were called as SMBfunique, then we can close the dirptr now ! */
 960         if(dptr_num >= 0 && CVAL(inbuf,smb_com) == SMBfunique) {
 961                 dptr_close(&dptr_num);
 962         }
 963
 964         if ((numentries == 0) && !ms_has_wild(mask)) {
 965                 return ERROR_BOTH(STATUS_NO_MORE_FILES,ERRDOS,ERRnofiles);
 966         }
 967
 968         SSVAL(outbuf,smb_vwv0,numentries);
 969         SSVAL(outbuf,smb_vwv1,3 + numentries * DIR_STRUCT_SIZE);
 970         SCVAL(smb_buf(outbuf),0,5);
 971         SSVAL(smb_buf(outbuf),1,numentries*DIR_STRUCT_SIZE);
 972
 973         if (Protocol >= PROTOCOL_NT1)
 974                 SSVAL(outbuf,smb_flg2,SVAL(outbuf, smb_flg2) | FLAGS2_IS_LONG_NAME);
 975
 976         outsize += DIR_STRUCT_SIZE*numentries;
 977         smb_setlen(outbuf,outsize - 4);
 978
 979         if ((! *directory) && dptr_path(dptr_num))
 980                 slprintf(directory, sizeof(directory)-1, "(%s)",dptr_path(dptr_num));
 981
 982         DEBUG( 4, ( "%s mask=%s path=%s dtype=%d nument=%u of %u\n",
 983                 smb_fn_name(CVAL(inbuf,smb_com)),
 984                 mask, directory, dirtype, numentries, maxentries ) );
 985
 986         END_PROFILE(SMBsearch);
 987         return(outsize);
 988 }
 989
 990 /****************************************************************************
 991  Reply to a fclose (stop directory search).
 992 ****************************************************************************/
 993
 994 int reply_fclose(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
 995 {
 996         int outsize = 0;
 997         int status_len;
 998         pstring path;
 999         char status[21];
1000         int dptr_num= -2;
1001         char *p;
1002         NTSTATUS err;
1003
1004         START_PROFILE(SMBfclose);
1005
1006         outsize = set_message(outbuf,1,0,True);
1007         p = smb_buf(inbuf) + 1;
1008         p += srvstr_get_path(inbuf, path, p, sizeof(path), 0, STR_TERMINATE, &err, True);
1009         if (!NT_STATUS_IS_OK(err)) {
1010                 END_PROFILE(SMBfclose);
1011                 return ERROR_NT(err);
1012         }
1013         p++;
1014         status_len = SVAL(p,0);
1015         p += 2;
1016
1017         if (status_len == 0) {
1018                 END_PROFILE(SMBfclose);
1019                 return ERROR_DOS(ERRSRV,ERRsrverror);
1020         }
1021
1022         memcpy(status,p,21);
1023
1024         if(dptr_fetch(status+12,&dptr_num)) {
1025                 /*  Close the dptr - we know it's gone */
1026                 dptr_close(&dptr_num);
1027         }
1028
1029         SSVAL(outbuf,smb_vwv0,0);
1030
1031         DEBUG(3,("search close\n"));
1032
1033         END_PROFILE(SMBfclose);
1034         return(outsize);
1035 }
1036
1037 /****************************************************************************
1038  Reply to an open.
1039 ****************************************************************************/
1040
1041 int reply_open(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
1042 {
1043         pstring fname;
1044         int outsize = 0;
1045         int fmode=0;
1046         int share_mode;
1047         SMB_OFF_T size = 0;
1048         time_t mtime=0;
1049         int rmode=0;
1050         SMB_STRUCT_STAT sbuf;
1051         BOOL bad_path = False;
1052         files_struct *fsp;
1053         int oplock_request = CORE_OPLOCK_REQUEST(inbuf);
1054         uint16 dos_attr = SVAL(inbuf,smb_vwv1);
1055         NTSTATUS status;
1056         START_PROFILE(SMBopen);
1057
1058         share_mode = SVAL(inbuf,smb_vwv0);
1059
1060         srvstr_get_path(inbuf, fname, smb_buf(inbuf)+1, sizeof(fname), 0, STR_TERMINATE, &status, False);
1061         if (!NT_STATUS_IS_OK(status)) {
1062                 END_PROFILE(SMBopen);
1063                 return ERROR_NT(status);
1064         }
1065
1066         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1067
1068         unix_convert(fname,conn,0,&bad_path,&sbuf);
1069         if (bad_path) {
1070                 END_PROFILE(SMBopen);
1071                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1072         }
1073
1074         fsp = open_file_shared(conn,fname,&sbuf,share_mode,(FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN),
1075                         (uint32)dos_attr, oplock_request,&rmode,NULL);
1076
1077         if (!fsp) {
1078                 END_PROFILE(SMBopen);
1079                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1080                         /* We have re-scheduled this call. */
1081                         clear_cached_errors();
1082                         return -1;
1083                 }
1084                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS, ERRnoaccess);
1085         }
1086
1087         size = sbuf.st_size;
1088         fmode = dos_mode(conn,fname,&sbuf);
1089         mtime = sbuf.st_mtime;
1090
1091         if (fmode & aDIR) {
1092                 DEBUG(3,("attempt to open a directory %s\n",fname));
1093                 close_file(fsp,False);
1094                 END_PROFILE(SMBopen);
1095                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1096         }
1097
1098         outsize = set_message(outbuf,7,0,True);
1099         SSVAL(outbuf,smb_vwv0,fsp->fnum);
1100         SSVAL(outbuf,smb_vwv1,fmode);
1101         if(lp_dos_filetime_resolution(SNUM(conn)) )
1102                 put_dos_date3(outbuf,smb_vwv2,mtime & ~1);
1103         else
1104                 put_dos_date3(outbuf,smb_vwv2,mtime);
1105         SIVAL(outbuf,smb_vwv4,(uint32)size);
1106         SSVAL(outbuf,smb_vwv6,rmode);
1107
1108         if (oplock_request && lp_fake_oplocks(SNUM(conn)))
1109                 SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1110
1111         if(EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
1112                 SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1113         END_PROFILE(SMBopen);
1114         return(outsize);
1115 }
1116
1117 /****************************************************************************
1118  Reply to an open and X.
1119 ****************************************************************************/
1120
1121 int reply_open_and_X(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize)
1122 {
1123         pstring fname;
1124         int smb_mode = SVAL(inbuf,smb_vwv3);
1125         int smb_attr = SVAL(inbuf,smb_vwv5);
1126         /* Breakout the oplock request bits so we can set the
1127                 reply bits separately. */
1128         BOOL ex_oplock_request = EXTENDED_OPLOCK_REQUEST(inbuf);
1129         BOOL core_oplock_request = CORE_OPLOCK_REQUEST(inbuf);
1130         BOOL oplock_request = ex_oplock_request | core_oplock_request;
1131 #if 0
1132         int open_flags = SVAL(inbuf,smb_vwv2);
1133         int smb_sattr = SVAL(inbuf,smb_vwv4);
1134         uint32 smb_time = make_unix_date3(inbuf+smb_vwv6);
1135 #endif
1136         int smb_ofun = SVAL(inbuf,smb_vwv8);
1137         SMB_OFF_T size=0;
1138         int fmode=0,mtime=0,rmode=0;
1139         SMB_STRUCT_STAT sbuf;
1140         int smb_action = 0;
1141         BOOL bad_path = False;
1142         files_struct *fsp;
1143         NTSTATUS status;
1144         START_PROFILE(SMBopenX);
1145
1146         /* If it's an IPC, pass off the pipe handler. */
1147         if (IS_IPC(conn)) {
1148                 if (lp_nt_pipe_support()) {
1149                         END_PROFILE(SMBopenX);
1150                         return reply_open_pipe_and_X(conn, inbuf,outbuf,length,bufsize);
1151                 } else {
1152                         END_PROFILE(SMBopenX);
1153                         return ERROR_DOS(ERRSRV,ERRaccess);
1154                 }
1155         }
1156
1157         /* XXXX we need to handle passed times, sattr and flags */
1158         srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status, False);
1159         if (!NT_STATUS_IS_OK(status)) {
1160                 END_PROFILE(SMBopenX);
1161                 return ERROR_NT(status);
1162         }
1163
1164         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1165
1166         unix_convert(fname,conn,0,&bad_path,&sbuf);
1167         if (bad_path) {
1168                 END_PROFILE(SMBopenX);
1169                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1170         }
1171
1172         fsp = open_file_shared(conn,fname,&sbuf,smb_mode,smb_ofun,(uint32)smb_attr,
1173                         oplock_request, &rmode,&smb_action);
1174
1175         if (!fsp) {
1176                 END_PROFILE(SMBopenX);
1177                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1178                         /* We have re-scheduled this call. */
1179                         clear_cached_errors();
1180                         return -1;
1181                 }
1182                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS, ERRnoaccess);
1183         }
1184
1185         size = sbuf.st_size;
1186         fmode = dos_mode(conn,fname,&sbuf);
1187         mtime = sbuf.st_mtime;
1188         if (fmode & aDIR) {
1189                 close_file(fsp,False);
1190                 END_PROFILE(SMBopenX);
1191                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1192         }
1193
1194         /* If the caller set the extended oplock request bit
1195                 and we granted one (by whatever means) - set the
1196                 correct bit for extended oplock reply.
1197         */
1198
1199         if (ex_oplock_request && lp_fake_oplocks(SNUM(conn)))
1200                 smb_action |= EXTENDED_OPLOCK_GRANTED;
1201
1202         if(ex_oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
1203                 smb_action |= EXTENDED_OPLOCK_GRANTED;
1204
1205         /* If the caller set the core oplock request bit
1206                 and we granted one (by whatever means) - set the
1207                 correct bit for core oplock reply.
1208         */
1209
1210         if (core_oplock_request && lp_fake_oplocks(SNUM(conn)))
1211                 SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1212
1213         if(core_oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
1214                 SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1215
1216         set_message(outbuf,15,0,True);
1217         SSVAL(outbuf,smb_vwv2,fsp->fnum);
1218         SSVAL(outbuf,smb_vwv3,fmode);
1219         if(lp_dos_filetime_resolution(SNUM(conn)) )
1220                 put_dos_date3(outbuf,smb_vwv4,mtime & ~1);
1221         else
1222                 put_dos_date3(outbuf,smb_vwv4,mtime);
1223         SIVAL(outbuf,smb_vwv6,(uint32)size);
1224         SSVAL(outbuf,smb_vwv8,rmode);
1225         SSVAL(outbuf,smb_vwv11,smb_action);
1226
1227         END_PROFILE(SMBopenX);
1228         return chain_reply(inbuf,outbuf,length,bufsize);
1229 }
1230
1231 /****************************************************************************
1232  Reply to a SMBulogoffX.
1233 ****************************************************************************/
1234
1235 int reply_ulogoffX(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize)
1236 {
1237         uint16 vuid = SVAL(inbuf,smb_uid);
1238         user_struct *vuser = get_valid_user_struct(vuid);
1239         START_PROFILE(SMBulogoffX);
1240
1241         if(vuser == 0)
1242                 DEBUG(3,("ulogoff, vuser id %d does not map to user.\n", vuid));
1243
1244         /* in user level security we are supposed to close any files
1245                 open by this user */
1246         if ((vuser != 0) && (lp_security() != SEC_SHARE))
1247                 file_close_user(vuid);
1248
1249         invalidate_vuid(vuid);
1250
1251         set_message(outbuf,2,0,True);
1252
1253         DEBUG( 3, ( "ulogoffX vuid=%d\n", vuid ) );
1254
1255         END_PROFILE(SMBulogoffX);
1256         return chain_reply(inbuf,outbuf,length,bufsize);
1257 }
1258
1259 /****************************************************************************
1260  Reply to a mknew or a create.
1261 ****************************************************************************/
1262
1263 int reply_mknew(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
1264 {
1265         pstring fname;
1266         int com;
1267         int outsize = 0;
1268         int createmode;
1269         int ofun = 0;
1270         BOOL bad_path = False;
1271         files_struct *fsp;
1272         int oplock_request = CORE_OPLOCK_REQUEST(inbuf);
1273         SMB_STRUCT_STAT sbuf;
1274         NTSTATUS status;
1275         START_PROFILE(SMBcreate);
1276
1277         com = SVAL(inbuf,smb_com);
1278
1279         createmode = SVAL(inbuf,smb_vwv0);
1280         srvstr_get_path(inbuf, fname, smb_buf(inbuf) + 1, sizeof(fname), 0, STR_TERMINATE, &status, False);
1281         if (!NT_STATUS_IS_OK(status)) {
1282                 END_PROFILE(SMBcreate);
1283                 return ERROR_NT(status);
1284         }
1285
1286         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1287
1288         unix_convert(fname,conn,0,&bad_path,&sbuf);
1289         if (bad_path) {
1290                 END_PROFILE(SMBcreate);
1291                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1292         }
1293
1294         if (createmode & aVOLID)
1295                 DEBUG(0,("Attempt to create file (%s) with volid set - please report this\n",fname));
1296
1297         if(com == SMBmknew) {
1298                 /* We should fail if file exists. */
1299                 ofun = FILE_CREATE_IF_NOT_EXIST;
1300         } else {
1301                 /* SMBcreate - Create if file doesn't exist, truncate if it does. */
1302                 ofun = FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE;
1303         }
1304
1305         /* Open file in dos compatibility share mode. */
1306         fsp = open_file_shared(conn,fname,&sbuf,SET_DENY_MODE(DENY_FCB)|SET_OPEN_MODE(DOS_OPEN_FCB),
1307                         ofun, (uint32)createmode, oplock_request, NULL, NULL);
1308
1309         if (!fsp) {
1310                 END_PROFILE(SMBcreate);
1311                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1312                         /* We have re-scheduled this call. */
1313                         clear_cached_errors();
1314                         return -1;
1315                 }
1316                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS, ERRnoaccess);
1317         }
1318
1319         outsize = set_message(outbuf,1,0,True);
1320         SSVAL(outbuf,smb_vwv0,fsp->fnum);
1321
1322         if (oplock_request && lp_fake_oplocks(SNUM(conn)))
1323                 SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1324
1325         if(EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
1326                 SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1327
1328         DEBUG( 2, ( "new file %s\n", fname ) );
1329         DEBUG( 3, ( "mknew %s fd=%d dmode=%d\n", fname, fsp->fd, createmode ) );
1330
1331         END_PROFILE(SMBcreate);
1332         return(outsize);
1333 }
1334
1335 /****************************************************************************
1336  Reply to a create temporary file.
1337 ****************************************************************************/
1338
1339 int reply_ctemp(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
1340 {
1341         pstring fname;
1342         int outsize = 0;
1343         int createattr;
1344         BOOL bad_path = False;
1345         files_struct *fsp;
1346         int oplock_request = CORE_OPLOCK_REQUEST(inbuf);
1347         int tmpfd;
1348         SMB_STRUCT_STAT sbuf;
1349         char *p, *s;
1350         NTSTATUS status;
1351         unsigned int namelen;
1352
1353         START_PROFILE(SMBctemp);
1354
1355         createattr = SVAL(inbuf,smb_vwv0);
1356         srvstr_get_path(inbuf, fname, smb_buf(inbuf)+1, sizeof(fname), 0, STR_TERMINATE, &status, False);
1357         if (!NT_STATUS_IS_OK(status)) {
1358                 END_PROFILE(SMBctemp);
1359                 return ERROR_NT(status);
1360         }
1361         if (*fname) {
1362                 pstrcat(fname,"/TMXXXXXX");
1363         } else {
1364                 pstrcat(fname,"TMXXXXXX");
1365         }
1366
1367         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1368
1369         unix_convert(fname,conn,0,&bad_path,&sbuf);
1370         if (bad_path) {
1371                 END_PROFILE(SMBctemp);
1372                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1373         }
1374
1375         tmpfd = smb_mkstemp(fname);
1376         if (tmpfd == -1) {
1377                 END_PROFILE(SMBctemp);
1378                 return(UNIXERROR(ERRDOS,ERRnoaccess));
1379         }
1380
1381         SMB_VFS_STAT(conn,fname,&sbuf);
1382
1383         /* Open file in dos compatibility share mode. */
1384         /* We should fail if file does not exist. */
1385         fsp = open_file_shared(conn,fname,&sbuf,
1386                 SET_DENY_MODE(DENY_FCB)|SET_OPEN_MODE(DOS_OPEN_FCB),
1387                 FILE_EXISTS_OPEN|FILE_FAIL_IF_NOT_EXIST,
1388                 (uint32)createattr, oplock_request, NULL, NULL);
1389
1390         /* close fd from smb_mkstemp() */
1391         close(tmpfd);
1392
1393         if (!fsp) {
1394                 END_PROFILE(SMBctemp);
1395                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1396                         /* We have re-scheduled this call. */
1397                         clear_cached_errors();
1398                         return -1;
1399                 }
1400                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS, ERRnoaccess);
1401         }
1402
1403         outsize = set_message(outbuf,1,0,True);
1404         SSVAL(outbuf,smb_vwv0,fsp->fnum);
1405
1406         /* the returned filename is relative to the directory */
1407         s = strrchr_m(fname, '/');
1408         if (!s)
1409                 s = fname;
1410         else
1411                 s++;
1412
1413         p = smb_buf(outbuf);
1414 #if 0
1415         /* Tested vs W2K3 - this doesn't seem to be here - null terminated filename is the only
1416            thing in the byte section. JRA */
1417         SSVALS(p, 0, -1); /* what is this? not in spec */
1418 #endif
1419         namelen = srvstr_push(outbuf, p, s, -1, STR_ASCII|STR_TERMINATE);
1420         p += namelen;
1421         outsize = set_message_end(outbuf, p);
1422
1423         if (oplock_request && lp_fake_oplocks(SNUM(conn)))
1424                 SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1425
1426         if (EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
1427                 SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1428
1429         DEBUG( 2, ( "created temp file %s\n", fname ) );
1430         DEBUG( 3, ( "ctemp %s fd=%d umode=%o\n",
1431                         fname, fsp->fd, sbuf.st_mode ) );
1432
1433         END_PROFILE(SMBctemp);
1434         return(outsize);
1435 }
1436
1437 /*******************************************************************
1438  Check if a user is allowed to rename a file.
1439 ********************************************************************/
1440
1441 static NTSTATUS can_rename(connection_struct *conn, char *fname, uint16 dirtype, SMB_STRUCT_STAT *pst)
1442 {
1443         int smb_action;
1444         int access_mode;
1445         files_struct *fsp;
1446         uint16 fmode;
1447
1448         if (!CAN_WRITE(conn))
1449                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1450
1451         fmode = dos_mode(conn,fname,pst);
1452         if ((fmode & ~dirtype) & (aHIDDEN | aSYSTEM))
1453                 return NT_STATUS_NO_SUCH_FILE;
1454
1455         if (S_ISDIR(pst->st_mode))
1456                 return NT_STATUS_OK;
1457
1458         /* We need a better way to return NT status codes from open... */
1459         unix_ERR_class = 0;
1460         unix_ERR_code = 0;
1461
1462         fsp = open_file_shared1(conn, fname, pst, DELETE_ACCESS, SET_DENY_MODE(DENY_ALL),
1463                 (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN), FILE_ATTRIBUTE_NORMAL, 0, &access_mode, &smb_action);
1464
1465         if (!fsp) {
1466                 NTSTATUS ret = NT_STATUS_ACCESS_DENIED;
1467                 if (unix_ERR_class == ERRDOS && unix_ERR_code == ERRbadshare)
1468                         ret = NT_STATUS_SHARING_VIOLATION;
1469                 unix_ERR_class = 0;
1470                 unix_ERR_code = 0;
1471                 unix_ERR_ntstatus = NT_STATUS_OK;
1472                 return ret;
1473         }
1474         close_file(fsp,False);
1475         return NT_STATUS_OK;
1476 }
1477
1478 /*******************************************************************
1479  Check if a user is allowed to delete a file.
1480 ********************************************************************/
1481
1482 NTSTATUS can_delete(connection_struct *conn, char *fname, int dirtype, BOOL bad_path, BOOL check_is_at_open)
1483 {
1484         SMB_STRUCT_STAT sbuf;
1485         int fmode;
1486         int smb_action;
1487         int access_mode;
1488         files_struct *fsp;
1489
1490         DEBUG(10,("can_delete: %s, dirtype = %d\n",
1491                 fname, dirtype ));
1492
1493         if (!CAN_WRITE(conn))
1494                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1495
1496         if (SMB_VFS_LSTAT(conn,fname,&sbuf) != 0) {
1497                 if(errno == ENOENT) {
1498                         if (bad_path)
1499                                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
1500                         else
1501                                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1502                 }
1503                 return map_nt_error_from_unix(errno);
1504         }
1505
1506         fmode = dos_mode(conn,fname,&sbuf);
1507
1508         /* Can't delete a directory. */
1509         if (fmode & aDIR)
1510                 return NT_STATUS_FILE_IS_A_DIRECTORY;
1511 #if 0 /* JRATEST */
1512         else if (dirtype & aDIR) /* Asked for a directory and it isn't. */
1513                 return NT_STATUS_OBJECT_NAME_INVALID;
1514 #endif /* JRATEST */
1515
1516         if (!lp_delete_readonly(SNUM(conn))) {
1517                 if (fmode & aRONLY)
1518                         return NT_STATUS_CANNOT_DELETE;
1519         }
1520         if ((fmode & ~dirtype) & (aHIDDEN | aSYSTEM))
1521                 return NT_STATUS_NO_SUCH_FILE;
1522
1523         if (check_is_at_open) {
1524                 if (!can_delete_file_in_directory(conn, fname)) {
1525                         return NT_STATUS_ACCESS_DENIED;
1526                 }
1527         } else {
1528                 /* On open checks the open itself will check the share mode, so
1529                    don't do it here as we'll get it wrong. */
1530
1531                 /* We need a better way to return NT status codes from open... */
1532                 unix_ERR_class = 0;
1533                 unix_ERR_code = 0;
1534
1535                 fsp = open_file_shared1(conn, fname, &sbuf, DELETE_ACCESS, SET_DENY_MODE(DENY_ALL),
1536                         (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN), FILE_ATTRIBUTE_NORMAL, 0, &access_mode, &smb_action);
1537
1538                 if (!fsp) {
1539                         NTSTATUS ret = NT_STATUS_ACCESS_DENIED;
1540                         if (!NT_STATUS_IS_OK(unix_ERR_ntstatus))
1541                                 ret = unix_ERR_ntstatus;
1542                         else if (unix_ERR_class == ERRDOS && unix_ERR_code == ERRbadshare)
1543                                 ret = NT_STATUS_SHARING_VIOLATION;
1544                         unix_ERR_class = 0;
1545                         unix_ERR_code = 0;
1546                         unix_ERR_ntstatus = NT_STATUS_OK;
1547                         return ret;
1548                 }
1549                 close_file(fsp,False);
1550         }
1551         return NT_STATUS_OK;
1552 }
1553
1554 /****************************************************************************
1555  The guts of the unlink command, split out so it may be called by the NT SMB
1556  code.
1557 ****************************************************************************/
1558
1559 NTSTATUS unlink_internals(connection_struct *conn, int dirtype, char *name)
1560 {
1561         pstring directory;
1562         pstring mask;
1563         char *p;
1564         int count=0;
1565         NTSTATUS error = NT_STATUS_OK;
1566         BOOL has_wild;
1567         BOOL bad_path = False;
1568         BOOL rc = True;
1569         SMB_STRUCT_STAT sbuf;
1570
1571         *directory = *mask = 0;
1572
1573         /* We must check for wildcards in the name given
1574          * directly by the client - before any unmangling.
1575          * This prevents an unmangling of a UNIX name containing
1576          * a DOS wildcard like '*' or '?' from unmangling into
1577          * a wildcard delete which was not intended.
1578          * FIX for #226. JRA.
1579          */
1580
1581         has_wild = ms_has_wild(name);
1582
1583         rc = unix_convert(name,conn,0,&bad_path,&sbuf);
1584
1585         p = strrchr_m(name,'/');
1586         if (!p) {
1587                 pstrcpy(directory,".");
1588                 pstrcpy(mask,name);
1589         } else {
1590                 *p = 0;
1591                 pstrcpy(directory,name);
1592                 pstrcpy(mask,p+1);
1593         }
1594
1595         /*
1596          * We should only check the mangled cache
1597          * here if unix_convert failed. This means
1598          * that the path in 'mask' doesn't exist
1599          * on the file system and so we need to look
1600          * for a possible mangle. This patch from
1601          * Tine Smukavec <valentin.smukavec@hermes.si>.
1602          */
1603
1604         if (!rc && mangle_is_mangled(mask))
1605                 mangle_check_cache( mask, sizeof(pstring)-1 );
1606
1607         if (!has_wild) {
1608                 pstrcat(directory,"/");
1609                 pstrcat(directory,mask);
1610                 error = can_delete(conn,directory,dirtype,bad_path,False);
1611                 if (!NT_STATUS_IS_OK(error))
1612                         return error;
1613
1614                 if (SMB_VFS_UNLINK(conn,directory) == 0) {
1615                         count++;
1616                 }
1617         } else {
1618                 struct smb_Dir *dir_hnd = NULL;
1619                 const char *dname;
1620
1621                 if (check_name(directory,conn))
1622                         dir_hnd = OpenDir(conn, directory);
1623
1624                 /* XXXX the CIFS spec says that if bit0 of the flags2 field is set then
1625                    the pattern matches against the long name, otherwise the short name
1626                    We don't implement this yet XXXX
1627                 */
1628
1629                 if (dir_hnd) {
1630                         long offset = 0;
1631                         error = NT_STATUS_NO_SUCH_FILE;
1632
1633                         if (strequal(mask,"????????.???"))
1634                                 pstrcpy(mask,"*");
1635
1636                         while ((dname = ReadDirName(dir_hnd, &offset))) {
1637                                 SMB_STRUCT_STAT st;
1638                                 pstring fname;
1639                                 BOOL sys_direntry = False;
1640                                 pstrcpy(fname,dname);
1641
1642                                 if (!is_visible_file(conn, directory, dname, &st, True)) {
1643                                         continue;
1644                                 }
1645
1646                                 /* Quick check for "." and ".." */
1647                                 if (fname[0] == '.') {
1648                                         if (!fname[1] || (fname[1] == '.' && !fname[2])) {
1649                                                 if ((dirtype & FILE_ATTRIBUTE_DIRECTORY) && (dirtype & FILE_ATTRIBUTE_SYSTEM)) {
1650                                                         sys_direntry = True;
1651                                                 } else {
1652                                                         continue;
1653                                                 }
1654                                         }
1655                                 }
1656
1657                                 if(!mask_match(fname, mask, conn->case_sensitive))
1658                                         continue;
1659
1660                                 if (sys_direntry) {
1661                                         error = NT_STATUS_OBJECT_NAME_INVALID;
1662                                         DEBUG(3,("unlink_internals: system directory delete denied [%s] mask [%s]\n",
1663                                                 fname, mask));
1664                                         break;
1665                                 }
1666
1667                                 slprintf(fname,sizeof(fname)-1, "%s/%s",directory,dname);
1668                                 error = can_delete(conn,fname,dirtype,bad_path,False);
1669                                 if (!NT_STATUS_IS_OK(error)) {
1670                                         continue;
1671                                 }
1672                                 if (SMB_VFS_UNLINK(conn,fname) == 0)
1673                                         count++;
1674                                 DEBUG(3,("unlink_internals: succesful unlink [%s]\n",fname));
1675                         }
1676                         CloseDir(dir_hnd);
1677                 }
1678         }
1679
1680         if (count == 0 && NT_STATUS_IS_OK(error)) {
1681                 error = map_nt_error_from_unix(errno);
1682         }
1683
1684         return error;
1685 }
1686
1687 /****************************************************************************
1688  Reply to a unlink
1689 ****************************************************************************/
1690
1691 int reply_unlink(connection_struct *conn, char *inbuf,char *outbuf, int dum_size,
1692                  int dum_buffsize)
1693 {
1694         int outsize = 0;
1695         pstring name;
1696         int dirtype;
1697         NTSTATUS status;
1698         START_PROFILE(SMBunlink);
1699
1700         dirtype = SVAL(inbuf,smb_vwv0);
1701
1702         srvstr_get_path(inbuf, name, smb_buf(inbuf) + 1, sizeof(name), 0, STR_TERMINATE, &status, True);
1703         if (!NT_STATUS_IS_OK(status)) {
1704                 END_PROFILE(SMBunlink);
1705                 return ERROR_NT(status);
1706         }
1707
1708         RESOLVE_DFSPATH(name, conn, inbuf, outbuf);
1709
1710         DEBUG(3,("reply_unlink : %s\n",name));
1711
1712         status = unlink_internals(conn, dirtype, name);
1713         if (!NT_STATUS_IS_OK(status)) {
1714                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1715                         /* We have re-scheduled this call. */
1716                         clear_cached_errors();
1717                         return -1;
1718                 }
1719                 return ERROR_NT(status);
1720         }
1721
1722         /*
1723          * Win2k needs a changenotify request response before it will
1724          * update after a rename..
1725          */
1726         process_pending_change_notify_queue((time_t)0);
1727
1728         outsize = set_message(outbuf,0,0,True);
1729
1730         END_PROFILE(SMBunlink);
1731         return outsize;
1732 }
1733
1734 /****************************************************************************
1735  Fail for readbraw.
1736 ****************************************************************************/
1737
1738 static void fail_readraw(void)
1739 {
1740         pstring errstr;
1741         slprintf(errstr, sizeof(errstr)-1, "FAIL ! reply_readbraw: socket write fail (%s)",
1742                 strerror(errno) );
1743         exit_server(errstr);
1744 }
1745
1746 #if defined(WITH_SENDFILE)
1747 /****************************************************************************
1748  Fake (read/write) sendfile. Returns -1 on read or write fail.
1749 ****************************************************************************/
1750
1751 static ssize_t fake_sendfile(files_struct *fsp, SMB_OFF_T startpos, size_t nread, char *buf, int bufsize)
1752 {
1753         ssize_t ret=0;
1754
1755         /* Paranioa check... */
1756         if (nread > bufsize) {
1757                 fail_readraw();
1758         }
1759
1760         if (nread > 0) {
1761                 ret = read_file(fsp,buf,startpos,nread);
1762                 if (ret == -1) {
1763                         return -1;
1764                 }
1765         }
1766
1767         /* If we had a short read, fill with zeros. */
1768         if (ret < nread) {
1769                 memset(buf, '\0', nread - ret);
1770         }
1771
1772         if (write_data(smbd_server_fd(),buf,nread) != nread) {
1773                 return -1;
1774         }
1775
1776         return (ssize_t)nread;
1777 }
1778 #endif
1779
1780 /****************************************************************************
1781  Use sendfile in readbraw.
1782 ****************************************************************************/
1783
1784 void send_file_readbraw(connection_struct *conn, files_struct *fsp, SMB_OFF_T startpos, size_t nread,
1785                 ssize_t mincount, char *outbuf, int out_buffsize)
1786 {
1787         ssize_t ret=0;
1788
1789 #if defined(WITH_SENDFILE)
1790         /*
1791          * We can only use sendfile on a non-chained packet
1792          * but we can use on a non-oplocked file. tridge proved this
1793          * on a train in Germany :-). JRA.
1794          * reply_readbraw has already checked the length.
1795          */
1796
1797         if (chain_size ==0 && (nread > 0) && (lp_write_cache_size(SNUM(conn)) == 0) && lp_use_sendfile(SNUM(conn)) ) {
1798                 DATA_BLOB header;
1799
1800                 _smb_setlen(outbuf,nread);
1801                 header.data = outbuf;
1802                 header.length = 4;
1803                 header.free = NULL;
1804
1805                 if ( SMB_VFS_SENDFILE( smbd_server_fd(), fsp, fsp->fd, &header, startpos, nread) == -1) {
1806                         /* Returning ENOSYS means no data at all was sent. Do this as a normal read. */
1807                         if (errno == ENOSYS) {
1808                                 goto normal_readbraw;
1809                         }
1810
1811                         /*
1812                          * Special hack for broken Linux with no working sendfile. If we
1813                          * return EINTR we sent the header but not the rest of the data.
1814                          * Fake this up by doing read/write calls.
1815                          */
1816                         if (errno == EINTR) {
1817                                 /* Ensure we don't do this again. */
1818                                 set_use_sendfile(SNUM(conn), False);
1819                                 DEBUG(0,("send_file_readbraw: sendfile not available. Faking..\n"));
1820
1821                                 if (fake_sendfile(fsp, startpos, nread, outbuf + 4, out_buffsize - 4) == -1) {
1822                                         DEBUG(0,("send_file_readbraw: fake_sendfile failed for file %s (%s).\n",
1823                                                 fsp->fsp_name, strerror(errno) ));
1824                                         exit_server("send_file_readbraw fake_sendfile failed");
1825                                 }
1826                                 return;
1827                         }
1828
1829                         DEBUG(0,("send_file_readbraw: sendfile failed for file %s (%s). Terminating\n",
1830                                 fsp->fsp_name, strerror(errno) ));
1831                         exit_server("send_file_readbraw sendfile failed");
1832                 }
1833
1834         }
1835
1836   normal_readbraw:
1837
1838 #endif
1839
1840         if (nread > 0) {
1841                 ret = read_file(fsp,outbuf+4,startpos,nread);
1842 #if 0 /* mincount appears to be ignored in a W2K server. JRA. */
1843                 if (ret < mincount)
1844                         ret = 0;
1845 #else
1846                 if (ret < nread)
1847                         ret = 0;
1848 #endif
1849         }
1850
1851         _smb_setlen(outbuf,ret);
1852         if (write_data(smbd_server_fd(),outbuf,4+ret) != 4+ret)
1853                 fail_readraw();
1854 }
1855
1856 /****************************************************************************
1857  Reply to a readbraw (core+ protocol).
1858 ****************************************************************************/
1859
1860 int reply_readbraw(connection_struct *conn, char *inbuf, char *outbuf, int dum_size, int out_buffsize)
1861 {
1862         extern struct current_user current_user;
1863         ssize_t maxcount,mincount;
1864         size_t nread = 0;
1865         SMB_OFF_T startpos;
1866         char *header = outbuf;
1867         files_struct *fsp;
1868         START_PROFILE(SMBreadbraw);
1869
1870         if (srv_is_signing_active()) {
1871                 exit_server("reply_readbraw: SMB signing is active - raw reads/writes are disallowed.");
1872         }
1873
1874         /*
1875          * Special check if an oplock break has been issued
1876          * and the readraw request croses on the wire, we must
1877          * return a zero length response here.
1878          */
1879
1880         if(global_oplock_break) {
1881                 _smb_setlen(header,0);
1882                 if (write_data(smbd_server_fd(),header,4) != 4)
1883                         fail_readraw();
1884                 DEBUG(5,("readbraw - oplock break finished\n"));
1885                 END_PROFILE(SMBreadbraw);
1886                 return -1;
1887         }
1888
1889         fsp = file_fsp(inbuf,smb_vwv0);
1890
1891         if (!FNUM_OK(fsp,conn) || !fsp->can_read) {
1892                 /*
1893                  * fsp could be NULL here so use the value from the packet. JRA.
1894                  */
1895                 DEBUG(3,("fnum %d not open in readbraw - cache prime?\n",(int)SVAL(inbuf,smb_vwv0)));
1896                 _smb_setlen(header,0);
1897                 if (write_data(smbd_server_fd(),header,4) != 4)
1898                         fail_readraw();
1899                 END_PROFILE(SMBreadbraw);
1900                 return(-1);
1901         }
1902
1903         CHECK_FSP(fsp,conn);
1904
1905         flush_write_cache(fsp, READRAW_FLUSH);
1906
1907         startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv1);
1908         if(CVAL(inbuf,smb_wct) == 10) {
1909                 /*
1910                  * This is a large offset (64 bit) read.
1911                  */
1912 #ifdef LARGE_SMB_OFF_T
1913
1914                 startpos |= (((SMB_OFF_T)IVAL(inbuf,smb_vwv8)) << 32);
1915
1916 #else /* !LARGE_SMB_OFF_T */
1917
1918                 /*
1919                  * Ensure we haven't been sent a >32 bit offset.
1920                  */
1921
1922                 if(IVAL(inbuf,smb_vwv8) != 0) {
1923                         DEBUG(0,("readbraw - large offset (%x << 32) used and we don't support \
1924 64 bit offsets.\n", (unsigned int)IVAL(inbuf,smb_vwv8) ));
1925                         _smb_setlen(header,0);
1926                         if (write_data(smbd_server_fd(),header,4) != 4)
1927                                 fail_readraw();
1928                         END_PROFILE(SMBreadbraw);
1929                         return(-1);
1930                 }
1931
1932 #endif /* LARGE_SMB_OFF_T */
1933
1934                 if(startpos < 0) {
1935                         DEBUG(0,("readbraw - negative 64 bit readraw offset (%.0f) !\n", (double)startpos ));
1936                         _smb_setlen(header,0);
1937                         if (write_data(smbd_server_fd(),header,4) != 4)
1938                                 fail_readraw();
1939                         END_PROFILE(SMBreadbraw);
1940                         return(-1);
1941                 }
1942         }
1943         maxcount = (SVAL(inbuf,smb_vwv3) & 0xFFFF);
1944         mincount = (SVAL(inbuf,smb_vwv4) & 0xFFFF);
1945
1946         /* ensure we don't overrun the packet size */
1947         maxcount = MIN(65535,maxcount);
1948
1949         if (!is_locked(fsp,conn,(SMB_BIG_UINT)maxcount,(SMB_BIG_UINT)startpos, READ_LOCK)) {
1950                 SMB_OFF_T size = fsp->size;
1951                 SMB_OFF_T sizeneeded = startpos + maxcount;
1952
1953                 if (size < sizeneeded) {
1954                         SMB_STRUCT_STAT st;
1955                         if (SMB_VFS_FSTAT(fsp,fsp->fd,&st) == 0)
1956                                 size = st.st_size;
1957                         if (!fsp->can_write)
1958                                 fsp->size = size;
1959                 }
1960
1961                 if (startpos >= size)
1962                         nread = 0;
1963                 else
1964                         nread = MIN(maxcount,(size - startpos));
1965         }
1966
1967 #if 0 /* mincount appears to be ignored in a W2K server. JRA. */
1968         if (nread < mincount)
1969                 nread = 0;
1970 #endif
1971
1972         DEBUG( 3, ( "readbraw fnum=%d start=%.0f max=%d min=%d nread=%d\n", fsp->fnum, (double)startpos,
1973                                 (int)maxcount, (int)mincount, (int)nread ) );
1974
1975         send_file_readbraw(conn, fsp, startpos, nread, mincount, outbuf, out_buffsize);
1976
1977         DEBUG(5,("readbraw finished\n"));
1978         END_PROFILE(SMBreadbraw);
1979         return -1;
1980 }
1981
1982 /****************************************************************************
1983  Reply to a lockread (core+ protocol).
1984 ****************************************************************************/
1985
1986 int reply_lockread(connection_struct *conn, char *inbuf,char *outbuf, int length, int dum_buffsiz)
1987 {
1988         ssize_t nread = -1;
1989         char *data;
1990         int outsize = 0;
1991         SMB_OFF_T startpos;
1992         size_t numtoread;
1993         NTSTATUS status;
1994         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
1995         BOOL my_lock_ctx = False;
1996         START_PROFILE(SMBlockread);
1997
1998         CHECK_FSP(fsp,conn);
1999         CHECK_READ(fsp);
2000
2001         release_level_2_oplocks_on_change(fsp);
2002
2003         numtoread = SVAL(inbuf,smb_vwv1);
2004         startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv2);
2005
2006         outsize = set_message(outbuf,5,3,True);
2007         numtoread = MIN(BUFFER_SIZE-outsize,numtoread);
2008         data = smb_buf(outbuf) + 3;
2009
2010         /*
2011          * NB. Discovered by Menny Hamburger at Mainsoft. This is a core+
2012          * protocol request that predates the read/write lock concept.
2013          * Thus instead of asking for a read lock here we need to ask
2014          * for a write lock. JRA.
2015          * Note that the requested lock size is unaffected by max_recv.
2016          */
2017
2018         status = do_lock_spin(fsp, conn, SVAL(inbuf,smb_pid),
2019                          (SMB_BIG_UINT)numtoread, (SMB_BIG_UINT)startpos, WRITE_LOCK, &my_lock_ctx);
2020
2021         if (NT_STATUS_V(status)) {
2022 #if 0
2023                 /*
2024                  * We used to make lockread a blocking lock. It turns out
2025                  * that this isn't on W2k. Found by the Samba 4 RAW-READ torture
2026                  * tester. JRA.
2027                  */
2028
2029                 if (lp_blocking_locks(SNUM(conn)) && !my_lock_ctx && ERROR_WAS_LOCK_DENIED(status)) {
2030                         /*
2031                          * A blocking lock was requested. Package up
2032                          * this smb into a queued request and push it
2033                          * onto the blocking lock queue.
2034                          */
2035                         if(push_blocking_lock_request(inbuf, length, -1, 0, SVAL(inbuf,smb_pid), (SMB_BIG_UINT)startpos,
2036                                                                 (SMB_BIG_UINT)numtoread)) {
2037                                 END_PROFILE(SMBlockread);
2038                                 return -1;
2039                         }
2040                 }
2041 #endif
2042                 END_PROFILE(SMBlockread);
2043                 return ERROR_NT(status);
2044         }
2045
2046         /*
2047          * However the requested READ size IS affected by max_recv. Insanity.... JRA.
2048          */
2049
2050         if (numtoread > max_recv) {
2051                 DEBUG(0,("reply_lockread: requested read size (%u) is greater than maximum allowed (%u). \
2052 Returning short read of maximum allowed for compatibility with Windows 2000.\n",
2053                         (unsigned int)numtoread, (unsigned int)max_recv ));
2054                 numtoread = MIN(numtoread,max_recv);
2055         }
2056         nread = read_file(fsp,data,startpos,numtoread);
2057
2058         if (nread < 0) {
2059                 END_PROFILE(SMBlockread);
2060                 return(UNIXERROR(ERRDOS,ERRnoaccess));
2061         }
2062
2063         outsize += nread;
2064         SSVAL(outbuf,smb_vwv0,nread);
2065         SSVAL(outbuf,smb_vwv5,nread+3);
2066         SSVAL(smb_buf(outbuf),1,nread);
2067
2068         DEBUG(3,("lockread fnum=%d num=%d nread=%d\n",
2069                  fsp->fnum, (int)numtoread, (int)nread));
2070
2071         END_PROFILE(SMBlockread);
2072         return(outsize);
2073 }
2074
2075 /****************************************************************************
2076  Reply to a read.
2077 ****************************************************************************/
2078
2079 int reply_read(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
2080 {
2081         size_t numtoread;
2082         ssize_t nread = 0;
2083         char *data;
2084         SMB_OFF_T startpos;
2085         int outsize = 0;
2086         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
2087         START_PROFILE(SMBread);
2088
2089         CHECK_FSP(fsp,conn);
2090         CHECK_READ(fsp);
2091
2092         numtoread = SVAL(inbuf,smb_vwv1);
2093         startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv2);
2094
2095         outsize = set_message(outbuf,5,3,True);
2096         numtoread = MIN(BUFFER_SIZE-outsize,numtoread);
2097         /*
2098          * The requested read size cannot be greater than max_recv. JRA.
2099          */
2100         if (numtoread > max_recv) {
2101                 DEBUG(0,("reply_read: requested read size (%u) is greater than maximum allowed (%u). \
2102 Returning short read of maximum allowed for compatibility with Windows 2000.\n",
2103                         (unsigned int)numtoread, (unsigned int)max_recv ));
2104                 numtoread = MIN(numtoread,max_recv);
2105         }
2106
2107         data = smb_buf(outbuf) + 3;
2108
2109         if (is_locked(fsp,conn,(SMB_BIG_UINT)numtoread,(SMB_BIG_UINT)startpos, READ_LOCK)) {
2110                 END_PROFILE(SMBread);
2111                 return ERROR_DOS(ERRDOS,ERRlock);
2112         }
2113
2114         if (numtoread > 0)
2115                 nread = read_file(fsp,data,startpos,numtoread);
2116
2117         if (nread < 0) {
2118                 END_PROFILE(SMBread);
2119                 return(UNIXERROR(ERRDOS,ERRnoaccess));
2120         }
2121
2122         outsize += nread;
2123         SSVAL(outbuf,smb_vwv0,nread);
2124         SSVAL(outbuf,smb_vwv5,nread+3);
2125         SCVAL(smb_buf(outbuf),0,1);
2126         SSVAL(smb_buf(outbuf),1,nread);
2127
2128         DEBUG( 3, ( "read fnum=%d num=%d nread=%d\n",
2129                 fsp->fnum, (int)numtoread, (int)nread ) );
2130
2131         END_PROFILE(SMBread);
2132         return(outsize);
2133 }
2134
2135 /****************************************************************************
2136  Reply to a read and X - possibly using sendfile.
2137 ****************************************************************************/
2138
2139 int send_file_readX(connection_struct *conn, char *inbuf,char *outbuf,int length, int len_outbuf,
2140                 files_struct *fsp, SMB_OFF_T startpos, size_t smb_maxcnt)
2141 {
2142         int outsize = 0;
2143         ssize_t nread = -1;
2144         char *data = smb_buf(outbuf);
2145
2146 #if defined(WITH_SENDFILE)
2147         /*
2148          * We can only use sendfile on a non-chained packet
2149          * but we can use on a non-oplocked file. tridge proved this
2150          * on a train in Germany :-). JRA.
2151          */
2152
2153         if (chain_size ==0 && (CVAL(inbuf,smb_vwv0) == 0xFF) && lp_use_sendfile(SNUM(conn)) &&
2154                         (lp_write_cache_size(SNUM(conn)) == 0) ) {
2155                 SMB_STRUCT_STAT sbuf;
2156                 DATA_BLOB header;
2157
2158                 if(SMB_VFS_FSTAT(fsp,fsp->fd, &sbuf) == -1)
2159                         return(UNIXERROR(ERRDOS,ERRnoaccess));
2160
2161                 if (startpos > sbuf.st_size)
2162                         goto normal_read;
2163
2164                 if (smb_maxcnt > (sbuf.st_size - startpos))
2165                         smb_maxcnt = (sbuf.st_size - startpos);
2166
2167                 if (smb_maxcnt == 0)
2168                         goto normal_read;
2169
2170                 /*
2171                  * Set up the packet header before send. We
2172                  * assume here the sendfile will work (get the
2173                  * correct amount of data).
2174                  */
2175
2176                 SSVAL(outbuf,smb_vwv2,0xFFFF); /* Remaining - must be -1. */
2177                 SSVAL(outbuf,smb_vwv5,smb_maxcnt);
2178                 SSVAL(outbuf,smb_vwv6,smb_offset(data,outbuf));
2179                 SSVAL(outbuf,smb_vwv7,((smb_maxcnt >> 16) & 1));
2180                 SSVAL(smb_buf(outbuf),-2,smb_maxcnt);
2181                 SCVAL(outbuf,smb_vwv0,0xFF);
2182                 set_message(outbuf,12,smb_maxcnt,False);
2183                 header.data = outbuf;
2184                 header.length = data - outbuf;
2185                 header.free = NULL;
2186
2187                 if ((nread = SMB_VFS_SENDFILE( smbd_server_fd(), fsp, fsp->fd, &header, startpos, smb_maxcnt)) == -1) {
2188                         /* Returning ENOSYS means no data at all was sent. Do this as a normal read. */
2189                         if (errno == ENOSYS) {
2190                                 goto normal_read;
2191                         }
2192
2193                         /*
2194                          * Special hack for broken Linux with no working sendfile. If we
2195                          * return EINTR we sent the header but not the rest of the data.
2196                          * Fake this up by doing read/write calls.
2197                          */
2198
2199                         if (errno == EINTR) {
2200                                 /* Ensure we don't do this again. */
2201                                 set_use_sendfile(SNUM(conn), False);
2202                                 DEBUG(0,("send_file_readX: sendfile not available. Faking..\n"));
2203
2204                                 if ((nread = fake_sendfile(fsp, startpos, smb_maxcnt, data,
2205                                                         len_outbuf - (data-outbuf))) == -1) {
2206                                         DEBUG(0,("send_file_readX: fake_sendfile failed for file %s (%s).\n",
2207                                                 fsp->fsp_name, strerror(errno) ));
2208                                         exit_server("send_file_readX: fake_sendfile failed");
2209                                 }
2210                                 DEBUG( 3, ( "send_file_readX: fake_sendfile fnum=%d max=%d nread=%d\n",
2211                                         fsp->fnum, (int)smb_maxcnt, (int)nread ) );
2212                                 /* Returning -1 here means successful sendfile. */
2213                                 return -1;
2214                         }
2215
2216                         DEBUG(0,("send_file_readX: sendfile failed for file %s (%s). Terminating\n",
2217                                 fsp->fsp_name, strerror(errno) ));
2218                         exit_server("send_file_readX sendfile failed");
2219                 }
2220
2221                 DEBUG( 3, ( "send_file_readX: sendfile fnum=%d max=%d nread=%d\n",
2222                         fsp->fnum, (int)smb_maxcnt, (int)nread ) );
2223                 /* Returning -1 here means successful sendfile. */
2224                 return -1;
2225         }
2226
2227   normal_read:
2228
2229 #endif
2230
2231         nread = read_file(fsp,data,startpos,smb_maxcnt);
2232
2233         if (nread < 0) {
2234                 END_PROFILE(SMBreadX);
2235                 return(UNIXERROR(ERRDOS,ERRnoaccess));
2236         }
2237
2238         outsize = set_message(outbuf,12,nread,False);
2239         SSVAL(outbuf,smb_vwv2,0xFFFF); /* Remaining - must be -1. */
2240         SSVAL(outbuf,smb_vwv5,nread);
2241         SSVAL(outbuf,smb_vwv6,smb_offset(data,outbuf));
2242         SSVAL(outbuf,smb_vwv7,((nread >> 16) & 1));
2243         SSVAL(smb_buf(outbuf),-2,nread);
2244
2245         DEBUG( 3, ( "send_file_readX fnum=%d max=%d nread=%d\n",
2246                 fsp->fnum, (int)smb_maxcnt, (int)nread ) );
2247
2248         /* Returning the number of bytes we want to send back - including header. */
2249         return outsize;
2250 }
2251
2252 /****************************************************************************
2253  Reply to a read and X.
2254 ****************************************************************************/
2255
2256 int reply_read_and_X(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize)
2257 {
2258         files_struct *fsp = file_fsp(inbuf,smb_vwv2);
2259         SMB_OFF_T startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv3);
2260         ssize_t nread = -1;
2261         size_t smb_maxcnt = SVAL(inbuf,smb_vwv5);
2262 #if 0
2263         size_t smb_mincnt = SVAL(inbuf,smb_vwv6);
2264 #endif
2265
2266         START_PROFILE(SMBreadX);
2267
2268         /* If it's an IPC, pass off the pipe handler. */
2269         if (IS_IPC(conn)) {
2270                 END_PROFILE(SMBreadX);
2271                 return reply_pipe_read_and_X(inbuf,outbuf,length,bufsize);
2272         }
2273
2274         CHECK_FSP(fsp,conn);
2275         CHECK_READ(fsp);
2276
2277         set_message(outbuf,12,0,True);
2278
2279         if (global_client_caps & CAP_LARGE_READX) {
2280                 if (SVAL(inbuf,smb_vwv7) == 1) {
2281                         smb_maxcnt |= (1<<16);
2282                 }
2283                 if (smb_maxcnt > BUFFER_SIZE) {
2284                         DEBUG(0,("reply_read_and_X - read too large (%u) for reply buffer %u\n",
2285                                 (unsigned int)smb_maxcnt, (unsigned int)BUFFER_SIZE));
2286                         END_PROFILE(SMBreadX);
2287                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2288                 }
2289         }
2290
2291         if(CVAL(inbuf,smb_wct) == 12) {
2292 #ifdef LARGE_SMB_OFF_T
2293                 /*
2294                  * This is a large offset (64 bit) read.
2295                  */
2296                 startpos |= (((SMB_OFF_T)IVAL(inbuf,smb_vwv10)) << 32);
2297
2298 #else /* !LARGE_SMB_OFF_T */
2299
2300                 /*
2301                  * Ensure we haven't been sent a >32 bit offset.
2302                  */
2303
2304                 if(IVAL(inbuf,smb_vwv10) != 0) {
2305                         DEBUG(0,("reply_read_and_X - large offset (%x << 32) used and we don't support \
2306 64 bit offsets.\n", (unsigned int)IVAL(inbuf,smb_vwv10) ));
2307                         END_PROFILE(SMBreadX);
2308                         return ERROR_DOS(ERRDOS,ERRbadaccess);
2309                 }
2310
2311 #endif /* LARGE_SMB_OFF_T */
2312
2313         }
2314
2315         if (is_locked(fsp,conn,(SMB_BIG_UINT)smb_maxcnt,(SMB_BIG_UINT)startpos, READ_LOCK)) {
2316                 END_PROFILE(SMBreadX);
2317                 return ERROR_DOS(ERRDOS,ERRlock);
2318         }
2319
2320         nread = send_file_readX(conn, inbuf, outbuf, length, bufsize, fsp, startpos, smb_maxcnt);
2321         if (nread != -1)
2322                 nread = chain_reply(inbuf,outbuf,length,bufsize);
2323
2324         END_PROFILE(SMBreadX);
2325         return nread;
2326 }
2327
2328 /****************************************************************************
2329  Reply to a writebraw (core+ or LANMAN1.0 protocol).
2330 ****************************************************************************/
2331
2332 int reply_writebraw(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
2333 {
2334         ssize_t nwritten=0;
2335         ssize_t total_written=0;
2336         size_t numtowrite=0;
2337         size_t tcount;
2338         SMB_OFF_T startpos;
2339         char *data=NULL;
2340         BOOL write_through;
2341         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
2342         int outsize = 0;
2343         START_PROFILE(SMBwritebraw);
2344
2345         if (srv_is_signing_active()) {
2346                 exit_server("reply_writebraw: SMB signing is active - raw reads/writes are disallowed.");
2347         }
2348
2349         CHECK_FSP(fsp,conn);
2350         CHECK_WRITE(fsp);
2351
2352         tcount = IVAL(inbuf,smb_vwv1);
2353         startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv3);
2354         write_through = BITSETW(inbuf+smb_vwv7,0);
2355
2356         /* We have to deal with slightly different formats depending
2357                 on whether we are using the core+ or lanman1.0 protocol */
2358
2359         if(Protocol <= PROTOCOL_COREPLUS) {
2360                 numtowrite = SVAL(smb_buf(inbuf),-2);
2361                 data = smb_buf(inbuf);
2362         } else {
2363                 numtowrite = SVAL(inbuf,smb_vwv10);
2364                 data = smb_base(inbuf) + SVAL(inbuf, smb_vwv11);
2365         }
2366
2367         /* force the error type */
2368         SCVAL(inbuf,smb_com,SMBwritec);
2369         SCVAL(outbuf,smb_com,SMBwritec);
2370
2371         if (is_locked(fsp,conn,(SMB_BIG_UINT)tcount,(SMB_BIG_UINT)startpos, WRITE_LOCK)) {
2372                 END_PROFILE(SMBwritebraw);
2373                 return(ERROR_DOS(ERRDOS,ERRlock));
2374         }
2375
2376         if (numtowrite>0)
2377                 nwritten = write_file(fsp,data,startpos,numtowrite);
2378
2379         DEBUG(3,("writebraw1 fnum=%d start=%.0f num=%d wrote=%d sync=%d\n",
2380                 fsp->fnum, (double)startpos, (int)numtowrite, (int)nwritten, (int)write_through));
2381
2382         if (nwritten < (ssize_t)numtowrite)  {
2383                 END_PROFILE(SMBwritebraw);
2384                 return(UNIXERROR(ERRHRD,ERRdiskfull));
2385         }
2386
2387         total_written = nwritten;
2388
2389         /* Return a message to the redirector to tell it to send more bytes */
2390         SCVAL(outbuf,smb_com,SMBwritebraw);
2391         SSVALS(outbuf,smb_vwv0,-1);
2392         outsize = set_message(outbuf,Protocol>PROTOCOL_COREPLUS?1:0,0,True);
2393         if (!send_smb(smbd_server_fd(),outbuf))
2394                 exit_server("reply_writebraw: send_smb failed.");
2395
2396         /* Now read the raw data into the buffer and write it */
2397         if (read_smb_length(smbd_server_fd(),inbuf,SMB_SECONDARY_WAIT) == -1) {
2398                 exit_server("secondary writebraw failed");
2399         }
2400
2401         /* Even though this is not an smb message, smb_len returns the generic length of an smb message */
2402         numtowrite = smb_len(inbuf);
2403
2404         /* Set up outbuf to return the correct return */
2405         outsize = set_message(outbuf,1,0,True);
2406         SCVAL(outbuf,smb_com,SMBwritec);
2407         SSVAL(outbuf,smb_vwv0,total_written);
2408
2409         if (numtowrite != 0) {
2410
2411                 if (numtowrite > BUFFER_SIZE) {
2412                         DEBUG(0,("reply_writebraw: Oversize secondary write raw requested (%u). Terminating\n",
2413                                 (unsigned int)numtowrite ));
2414                         exit_server("secondary writebraw failed");
2415                 }
2416
2417                 if (tcount > nwritten+numtowrite) {
2418                         DEBUG(3,("Client overestimated the write %d %d %d\n",
2419                                 (int)tcount,(int)nwritten,(int)numtowrite));
2420                 }
2421
2422                 if (read_data( smbd_server_fd(), inbuf+4, numtowrite) != numtowrite ) {
2423                         DEBUG(0,("reply_writebraw: Oversize secondary write raw read failed (%s). Terminating\n",
2424                                 strerror(errno) ));
2425                         exit_server("secondary writebraw failed");
2426                 }
2427
2428                 nwritten = write_file(fsp,inbuf+4,startpos+nwritten,numtowrite);
2429
2430                 if (nwritten < (ssize_t)numtowrite) {
2431                         SCVAL(outbuf,smb_rcls,ERRHRD);
2432                         SSVAL(outbuf,smb_err,ERRdiskfull);
2433                 }
2434
2435                 if (nwritten > 0)
2436                         total_written += nwritten;
2437         }
2438
2439         if ((lp_syncalways(SNUM(conn)) || write_through) && lp_strict_sync(SNUM(conn)))
2440                 sync_file(conn,fsp);
2441
2442         DEBUG(3,("writebraw2 fnum=%d start=%.0f num=%d wrote=%d\n",
2443                 fsp->fnum, (double)startpos, (int)numtowrite,(int)total_written));
2444
2445         /* we won't return a status if write through is not selected - this follows what WfWg does */
2446         END_PROFILE(SMBwritebraw);
2447         if (!write_through && total_written==tcount) {
2448
2449 #if RABBIT_PELLET_FIX
2450                 /*
2451                  * Fix for "rabbit pellet" mode, trigger an early TCP ack by
2452                  * sending a SMBkeepalive. Thanks to DaveCB at Sun for this. JRA.
2453                  */
2454                 if (!send_keepalive(smbd_server_fd()))
2455                         exit_server("reply_writebraw: send of keepalive failed");
2456 #endif
2457                 return(-1);
2458         }
2459
2460         return(outsize);
2461 }
2462
2463 /****************************************************************************
2464  Reply to a writeunlock (core+).
2465 ****************************************************************************/
2466
2467 int reply_writeunlock(connection_struct *conn, char *inbuf,char *outbuf,
2468                       int size, int dum_buffsize)
2469 {
2470         ssize_t nwritten = -1;
2471         size_t numtowrite;
2472         SMB_OFF_T startpos;
2473         char *data;
2474         NTSTATUS status = NT_STATUS_OK;
2475         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
2476         int outsize = 0;
2477         START_PROFILE(SMBwriteunlock);
2478
2479         CHECK_FSP(fsp,conn);
2480         CHECK_WRITE(fsp);
2481
2482         numtowrite = SVAL(inbuf,smb_vwv1);
2483         startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv2);
2484         data = smb_buf(inbuf) + 3;
2485
2486         if (numtowrite && is_locked(fsp,conn,(SMB_BIG_UINT)numtowrite,(SMB_BIG_UINT)startpos, WRITE_LOCK)) {
2487                 END_PROFILE(SMBwriteunlock);
2488                 return ERROR_DOS(ERRDOS,ERRlock);
2489         }
2490
2491         /* The special X/Open SMB protocol handling of
2492            zero length writes is *NOT* done for
2493            this call */
2494         if(numtowrite == 0)
2495                 nwritten = 0;
2496         else
2497                 nwritten = write_file(fsp,data,startpos,numtowrite);
2498
2499         if (lp_syncalways(SNUM(conn)))
2500                 sync_file(conn,fsp);
2501
2502         if(((nwritten == 0) && (numtowrite != 0))||(nwritten < 0)) {
2503                 END_PROFILE(SMBwriteunlock);
2504                 return(UNIXERROR(ERRHRD,ERRdiskfull));
2505         }
2506
2507         if (numtowrite) {
2508                 status = do_unlock(fsp, conn, SVAL(inbuf,smb_pid), (SMB_BIG_UINT)numtowrite,
2509                                    (SMB_BIG_UINT)startpos);
2510                 if (NT_STATUS_V(status)) {
2511                         END_PROFILE(SMBwriteunlock);
2512                         return ERROR_NT(status);
2513                 }
2514         }
2515
2516         outsize = set_message(outbuf,1,0,True);
2517
2518         SSVAL(outbuf,smb_vwv0,nwritten);
2519
2520         DEBUG(3,("writeunlock fnum=%d num=%d wrote=%d\n",
2521                  fsp->fnum, (int)numtowrite, (int)nwritten));
2522
2523         END_PROFILE(SMBwriteunlock);
2524         return outsize;
2525 }
2526
2527 /****************************************************************************
2528  Reply to a write.
2529 ****************************************************************************/
2530
2531 int reply_write(connection_struct *conn, char *inbuf,char *outbuf,int size,int dum_buffsize)
2532 {
2533         size_t numtowrite;
2534         ssize_t nwritten = -1;
2535         SMB_OFF_T startpos;
2536         char *data;
2537         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
2538         int outsize = 0;
2539         START_PROFILE(SMBwrite);
2540
2541         /* If it's an IPC, pass off the pipe handler. */
2542         if (IS_IPC(conn)) {
2543                 END_PROFILE(SMBwrite);
2544                 return reply_pipe_write(inbuf,outbuf,size,dum_buffsize);
2545         }
2546
2547         CHECK_FSP(fsp,conn);
2548         CHECK_WRITE(fsp);
2549
2550         numtowrite = SVAL(inbuf,smb_vwv1);
2551         startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv2);
2552         data = smb_buf(inbuf) + 3;
2553
2554         if (is_locked(fsp,conn,(SMB_BIG_UINT)numtowrite,(SMB_BIG_UINT)startpos, WRITE_LOCK)) {
2555                 END_PROFILE(SMBwrite);
2556                 return ERROR_DOS(ERRDOS,ERRlock);
2557         }
2558
2559         /*
2560          * X/Open SMB protocol says that if smb_vwv1 is
2561          * zero then the file size should be extended or
2562          * truncated to the size given in smb_vwv[2-3].
2563          */
2564
2565         if(numtowrite == 0) {
2566                 /*
2567                  * This is actually an allocate call, and set EOF. JRA.
2568                  */
2569                 nwritten = vfs_allocate_file_space(fsp, (SMB_OFF_T)startpos);
2570                 if (nwritten < 0) {
2571                         END_PROFILE(SMBwrite);
2572                         return ERROR_NT(NT_STATUS_DISK_FULL);
2573                 }
2574                 nwritten = vfs_set_filelen(fsp, (SMB_OFF_T)startpos);
2575                 if (nwritten < 0) {
2576                         END_PROFILE(SMBwrite);
2577                         return ERROR_NT(NT_STATUS_DISK_FULL);
2578                 }
2579         } else
2580                 nwritten = write_file(fsp,data,startpos,numtowrite);
2581
2582         if (lp_syncalways(SNUM(conn)))
2583                 sync_file(conn,fsp);
2584
2585         if(((nwritten == 0) && (numtowrite != 0))||(nwritten < 0)) {
2586                 END_PROFILE(SMBwrite);
2587                 return(UNIXERROR(ERRHRD,ERRdiskfull));
2588         }
2589
2590         outsize = set_message(outbuf,1,0,True);
2591
2592         SSVAL(outbuf,smb_vwv0,nwritten);
2593
2594         if (nwritten < (ssize_t)numtowrite) {
2595                 SCVAL(outbuf,smb_rcls,ERRHRD);
2596                 SSVAL(outbuf,smb_err,ERRdiskfull);
2597         }
2598
2599         DEBUG(3,("write fnum=%d num=%d wrote=%d\n", fsp->fnum, (int)numtowrite, (int)nwritten));
2600
2601         END_PROFILE(SMBwrite);
2602         return(outsize);
2603 }
2604
2605 /****************************************************************************
2606  Reply to a write and X.
2607 ****************************************************************************/
2608
2609 int reply_write_and_X(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize)
2610 {
2611         files_struct *fsp = file_fsp(inbuf,smb_vwv2);
2612         SMB_OFF_T startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv3);
2613         size_t numtowrite = SVAL(inbuf,smb_vwv10);
2614         BOOL write_through = BITSETW(inbuf+smb_vwv7,0);
2615         ssize_t nwritten = -1;
2616         unsigned int smb_doff = SVAL(inbuf,smb_vwv11);
2617         unsigned int smblen = smb_len(inbuf);
2618         char *data;
2619         BOOL large_writeX = ((CVAL(inbuf,smb_wct) == 14) && (smblen > 0xFFFF));
2620         START_PROFILE(SMBwriteX);
2621
2622         /* If it's an IPC, pass off the pipe handler. */
2623         if (IS_IPC(conn)) {
2624                 END_PROFILE(SMBwriteX);
2625                 return reply_pipe_write_and_X(inbuf,outbuf,length,bufsize);
2626         }
2627
2628         CHECK_FSP(fsp,conn);
2629         CHECK_WRITE(fsp);
2630
2631         /* Deal with possible LARGE_WRITEX */
2632         if (large_writeX)
2633                 numtowrite |= ((((size_t)SVAL(inbuf,smb_vwv9)) & 1 )<<16);
2634
2635         if(smb_doff > smblen || (smb_doff + numtowrite > smblen)) {
2636                 END_PROFILE(SMBwriteX);
2637                 return ERROR_DOS(ERRDOS,ERRbadmem);
2638         }
2639
2640         data = smb_base(inbuf) + smb_doff;
2641
2642         if(CVAL(inbuf,smb_wct) == 14) {
2643 #ifdef LARGE_SMB_OFF_T
2644                 /*
2645                  * This is a large offset (64 bit) write.
2646                  */
2647                 startpos |= (((SMB_OFF_T)IVAL(inbuf,smb_vwv12)) << 32);
2648
2649 #else /* !LARGE_SMB_OFF_T */
2650
2651                 /*
2652                  * Ensure we haven't been sent a >32 bit offset.
2653                  */
2654
2655                 if(IVAL(inbuf,smb_vwv12) != 0) {
2656                         DEBUG(0,("reply_write_and_X - large offset (%x << 32) used and we don't support \
2657 64 bit offsets.\n", (unsigned int)IVAL(inbuf,smb_vwv12) ));
2658                         END_PROFILE(SMBwriteX);
2659                         return ERROR_DOS(ERRDOS,ERRbadaccess);
2660                 }
2661
2662 #endif /* LARGE_SMB_OFF_T */
2663         }
2664
2665         if (is_locked(fsp,conn,(SMB_BIG_UINT)numtowrite,(SMB_BIG_UINT)startpos, WRITE_LOCK)) {
2666                 END_PROFILE(SMBwriteX);
2667                 return ERROR_DOS(ERRDOS,ERRlock);
2668         }
2669
2670         /* X/Open SMB protocol says that, unlike SMBwrite
2671         if the length is zero then NO truncation is
2672         done, just a write of zero. To truncate a file,
2673         use SMBwrite. */
2674
2675         if(numtowrite == 0)
2676                 nwritten = 0;
2677         else
2678                 nwritten = write_file(fsp,data,startpos,numtowrite);
2679
2680         if(((nwritten == 0) && (numtowrite != 0))||(nwritten < 0)) {
2681                 END_PROFILE(SMBwriteX);
2682                 return(UNIXERROR(ERRHRD,ERRdiskfull));
2683         }
2684
2685         set_message(outbuf,6,0,True);
2686
2687         SSVAL(outbuf,smb_vwv2,nwritten);
2688         if (large_writeX)
2689                 SSVAL(outbuf,smb_vwv4,(nwritten>>16)&1);
2690
2691         if (nwritten < (ssize_t)numtowrite) {
2692                 SCVAL(outbuf,smb_rcls,ERRHRD);
2693                 SSVAL(outbuf,smb_err,ERRdiskfull);
2694         }
2695
2696         DEBUG(3,("writeX fnum=%d num=%d wrote=%d\n",
2697                 fsp->fnum, (int)numtowrite, (int)nwritten));
2698
2699         if (lp_syncalways(SNUM(conn)) || write_through)
2700                 sync_file(conn,fsp);
2701
2702         END_PROFILE(SMBwriteX);
2703         return chain_reply(inbuf,outbuf,length,bufsize);
2704 }
2705
2706 /****************************************************************************
2707  Reply to a lseek.
2708 ****************************************************************************/
2709
2710 int reply_lseek(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
2711 {
2712         SMB_OFF_T startpos;
2713         SMB_OFF_T res= -1;
2714         int mode,umode;
2715         int outsize = 0;
2716         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
2717         START_PROFILE(SMBlseek);
2718
2719         CHECK_FSP(fsp,conn);
2720
2721         flush_write_cache(fsp, SEEK_FLUSH);
2722
2723         mode = SVAL(inbuf,smb_vwv1) & 3;
2724         /* NB. This doesn't use IVAL_TO_SMB_OFF_T as startpos can be signed in this case. */
2725         startpos = (SMB_OFF_T)IVALS(inbuf,smb_vwv2);
2726
2727         switch (mode) {
2728                 case 0:
2729                         umode = SEEK_SET;
2730                         res = startpos;
2731                         break;
2732                 case 1:
2733                         umode = SEEK_CUR;
2734                         res = fsp->pos + startpos;
2735                         break;
2736                 case 2:
2737                         umode = SEEK_END;
2738                         break;
2739                 default:
2740                         umode = SEEK_SET;
2741                         res = startpos;
2742                         break;
2743         }
2744
2745         if (umode == SEEK_END) {
2746                 if((res = SMB_VFS_LSEEK(fsp,fsp->fd,startpos,umode)) == -1) {
2747                         if(errno == EINVAL) {
2748                                 SMB_OFF_T current_pos = startpos;
2749                                 SMB_STRUCT_STAT sbuf;
2750
2751                                 if(SMB_VFS_FSTAT(fsp,fsp->fd, &sbuf) == -1) {
2752                                         END_PROFILE(SMBlseek);
2753                                         return(UNIXERROR(ERRDOS,ERRnoaccess));
2754                                 }
2755
2756                                 current_pos += sbuf.st_size;
2757                                 if(current_pos < 0)
2758                                         res = SMB_VFS_LSEEK(fsp,fsp->fd,0,SEEK_SET);
2759                         }
2760                 }
2761
2762                 if(res == -1) {
2763                         END_PROFILE(SMBlseek);
2764                         return(UNIXERROR(ERRDOS,ERRnoaccess));
2765                 }
2766         }
2767
2768         fsp->pos = res;
2769
2770         outsize = set_message(outbuf,2,0,True);
2771         SIVAL(outbuf,smb_vwv0,res);
2772
2773         DEBUG(3,("lseek fnum=%d ofs=%.0f newpos = %.0f mode=%d\n",
2774                 fsp->fnum, (double)startpos, (double)res, mode));
2775
2776         END_PROFILE(SMBlseek);
2777         return(outsize);
2778 }
2779
2780 /****************************************************************************
2781  Reply to a flush.
2782 ****************************************************************************/
2783
2784 int reply_flush(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
2785 {
2786         int outsize = set_message(outbuf,0,0,True);
2787         uint16 fnum = SVAL(inbuf,smb_vwv0);
2788         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
2789         START_PROFILE(SMBflush);
2790
2791         if (fnum != 0xFFFF)
2792                 CHECK_FSP(fsp,conn);
2793
2794         if (!fsp) {
2795                 file_sync_all(conn);
2796         } else {
2797                 sync_file(conn,fsp);
2798         }
2799
2800         DEBUG(3,("flush\n"));
2801         END_PROFILE(SMBflush);
2802         return(outsize);
2803 }
2804
2805 /****************************************************************************
2806  Reply to a exit.
2807 ****************************************************************************/
2808
2809 int reply_exit(connection_struct *conn,
2810                char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
2811 {
2812         int outsize;
2813         START_PROFILE(SMBexit);
2814
2815         file_close_pid(SVAL(inbuf,smb_pid));
2816
2817         outsize = set_message(outbuf,0,0,True);
2818
2819         DEBUG(3,("exit\n"));
2820
2821         END_PROFILE(SMBexit);
2822         return(outsize);
2823 }
2824
2825 /****************************************************************************
2826  Reply to a close - has to deal with closing a directory opened by NT SMB's.
2827 ****************************************************************************/
2828
2829 int reply_close(connection_struct *conn, char *inbuf,char *outbuf, int size,
2830                 int dum_buffsize)
2831 {
2832         extern struct current_user current_user;
2833         int outsize = 0;
2834         time_t mtime;
2835         int32 eclass = 0, err = 0;
2836         files_struct *fsp = NULL;
2837         START_PROFILE(SMBclose);
2838
2839         outsize = set_message(outbuf,0,0,True);
2840
2841         /* If it's an IPC, pass off to the pipe handler. */
2842         if (IS_IPC(conn)) {
2843                 END_PROFILE(SMBclose);
2844                 return reply_pipe_close(conn, inbuf,outbuf);
2845         }
2846
2847         fsp = file_fsp(inbuf,smb_vwv0);
2848
2849         /*
2850          * We can only use CHECK_FSP if we know it's not a directory.
2851          */
2852
2853         if(!fsp || (fsp->conn != conn) || (fsp->vuid != current_user.vuid)) {
2854                 END_PROFILE(SMBclose);
2855                 return ERROR_DOS(ERRDOS,ERRbadfid);
2856         }
2857
2858         if(fsp->is_directory) {
2859                 /*
2860                  * Special case - close NT SMB directory handle.
2861                  */
2862                 DEBUG(3,("close %s fnum=%d\n", fsp->is_directory ? "directory" : "stat file open", fsp->fnum));
2863                 close_file(fsp,True);
2864         } else {
2865                 /*
2866                  * Close ordinary file.
2867                  */
2868                 int close_err;
2869                 pstring file_name;
2870
2871                 /* Save the name for time set in close. */
2872                 pstrcpy( file_name, fsp->fsp_name);
2873
2874                 DEBUG(3,("close fd=%d fnum=%d (numopen=%d)\n",
2875                          fsp->fd, fsp->fnum,
2876                          conn->num_files_open));
2877
2878                 /*
2879                  * Take care of any time sent in the close.
2880                  */
2881
2882                 mtime = make_unix_date3(inbuf+smb_vwv1);
2883                 fsp_set_pending_modtime(fsp, mtime);
2884
2885                 /*
2886                  * close_file() returns the unix errno if an error
2887                  * was detected on close - normally this is due to
2888                  * a disk full error. If not then it was probably an I/O error.
2889                  */
2890
2891                 if((close_err = close_file(fsp,True)) != 0) {
2892                         errno = close_err;
2893                         END_PROFILE(SMBclose);
2894                         return (UNIXERROR(ERRHRD,ERRgeneral));
2895                 }
2896         }
2897
2898         /* We have a cached error */
2899         if(eclass || err) {
2900                 END_PROFILE(SMBclose);
2901                 return ERROR_DOS(eclass,err);
2902         }
2903
2904         END_PROFILE(SMBclose);
2905         return(outsize);
2906 }
2907
2908 /****************************************************************************
2909  Reply to a writeclose (Core+ protocol).
2910 ****************************************************************************/
2911
2912 int reply_writeclose(connection_struct *conn,
2913                      char *inbuf,char *outbuf, int size, int dum_buffsize)
2914 {
2915         size_t numtowrite;
2916         ssize_t nwritten = -1;
2917         int outsize = 0;
2918         int close_err = 0;
2919         SMB_OFF_T startpos;
2920         char *data;
2921         time_t mtime;
2922         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
2923         START_PROFILE(SMBwriteclose);
2924
2925         CHECK_FSP(fsp,conn);
2926         CHECK_WRITE(fsp);
2927
2928         numtowrite = SVAL(inbuf,smb_vwv1);
2929         startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv2);
2930         mtime = make_unix_date3(inbuf+smb_vwv4);
2931         data = smb_buf(inbuf) + 1;
2932
2933         if (numtowrite && is_locked(fsp,conn,(SMB_BIG_UINT)numtowrite,(SMB_BIG_UINT)startpos, WRITE_LOCK)) {
2934                 END_PROFILE(SMBwriteclose);
2935                 return ERROR_DOS(ERRDOS,ERRlock);
2936         }
2937
2938         nwritten = write_file(fsp,data,startpos,numtowrite);
2939
2940         set_filetime(conn, fsp->fsp_name,mtime);
2941
2942         /*
2943          * More insanity. W2K only closes the file if writelen > 0.
2944          * JRA.
2945          */
2946
2947         if (numtowrite) {
2948                 DEBUG(3,("reply_writeclose: zero length write doesn't close file %s\n",
2949                         fsp->fsp_name ));
2950                 close_err = close_file(fsp,True);
2951         }
2952
2953         DEBUG(3,("writeclose fnum=%d num=%d wrote=%d (numopen=%d)\n",
2954                  fsp->fnum, (int)numtowrite, (int)nwritten,
2955                  conn->num_files_open));
2956
2957         if(((nwritten == 0) && (numtowrite != 0))||(nwritten < 0)) {
2958                 END_PROFILE(SMBwriteclose);
2959                 return(UNIXERROR(ERRHRD,ERRdiskfull));
2960         }
2961
2962         if(close_err != 0) {
2963                 errno = close_err;
2964                 END_PROFILE(SMBwriteclose);
2965                 return(UNIXERROR(ERRHRD,ERRgeneral));
2966         }
2967
2968         outsize = set_message(outbuf,1,0,True);
2969
2970         SSVAL(outbuf,smb_vwv0,nwritten);
2971         END_PROFILE(SMBwriteclose);
2972         return(outsize);
2973 }
2974
2975 /****************************************************************************
2976  Reply to a lock.
2977 ****************************************************************************/
2978
2979 int reply_lock(connection_struct *conn,
2980                char *inbuf,char *outbuf, int length, int dum_buffsize)
2981 {
2982         int outsize = set_message(outbuf,0,0,True);
2983         SMB_BIG_UINT count,offset;
2984         NTSTATUS status;
2985         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
2986         BOOL my_lock_ctx = False;
2987
2988         START_PROFILE(SMBlock);
2989
2990         CHECK_FSP(fsp,conn);
2991
2992         release_level_2_oplocks_on_change(fsp);
2993
2994         count = (SMB_BIG_UINT)IVAL(inbuf,smb_vwv1);
2995         offset = (SMB_BIG_UINT)IVAL(inbuf,smb_vwv3);
2996
2997         DEBUG(3,("lock fd=%d fnum=%d offset=%.0f count=%.0f\n",
2998                  fsp->fd, fsp->fnum, (double)offset, (double)count));
2999
3000         status = do_lock_spin(fsp, conn, SVAL(inbuf,smb_pid), count, offset, WRITE_LOCK, &my_lock_ctx);
3001         if (NT_STATUS_V(status)) {
3002 #if 0
3003                 /* Tests using Samba4 against W2K show this call never creates a blocking lock. */
3004                 if (lp_blocking_locks(SNUM(conn)) && !my_lock_ctx && ERROR_WAS_LOCK_DENIED(status)) {
3005                         /*
3006                          * A blocking lock was requested. Package up
3007                          * this smb into a queued request and push it
3008                          * onto the blocking lock queue.
3009                          */
3010                         if(push_blocking_lock_request(inbuf, length, -1, 0, SVAL(inbuf,smb_pid), offset, count)) {
3011                                 END_PROFILE(SMBlock);
3012                                 return -1;
3013                         }
3014                 }
3015 #endif
3016                 END_PROFILE(SMBlock);
3017                 return ERROR_NT(status);
3018         }
3019
3020         END_PROFILE(SMBlock);
3021         return(outsize);
3022 }
3023
3024 /****************************************************************************
3025  Reply to a unlock.
3026 ****************************************************************************/
3027
3028 int reply_unlock(connection_struct *conn, char *inbuf,char *outbuf, int size,
3029                  int dum_buffsize)
3030 {
3031         int outsize = set_message(outbuf,0,0,True);
3032         SMB_BIG_UINT count,offset;
3033         NTSTATUS status;
3034         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
3035         START_PROFILE(SMBunlock);
3036
3037         CHECK_FSP(fsp,conn);
3038
3039         count = (SMB_BIG_UINT)IVAL(inbuf,smb_vwv1);
3040         offset = (SMB_BIG_UINT)IVAL(inbuf,smb_vwv3);
3041
3042         status = do_unlock(fsp, conn, SVAL(inbuf,smb_pid), count, offset);
3043         if (NT_STATUS_V(status)) {
3044                 END_PROFILE(SMBunlock);
3045                 return ERROR_NT(status);
3046         }
3047
3048         DEBUG( 3, ( "unlock fd=%d fnum=%d offset=%.0f count=%.0f\n",
3049                     fsp->fd, fsp->fnum, (double)offset, (double)count ) );
3050
3051         END_PROFILE(SMBunlock);
3052         return(outsize);
3053 }
3054
3055 /****************************************************************************
3056  Reply to a tdis.
3057 ****************************************************************************/
3058
3059 int reply_tdis(connection_struct *conn,
3060                char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
3061 {
3062         int outsize = set_message(outbuf,0,0,True);
3063         uint16 vuid;
3064         START_PROFILE(SMBtdis);
3065
3066         vuid = SVAL(inbuf,smb_uid);
3067
3068         if (!conn) {
3069                 DEBUG(4,("Invalid connection in tdis\n"));
3070                 END_PROFILE(SMBtdis);
3071                 return ERROR_DOS(ERRSRV,ERRinvnid);
3072         }
3073
3074         conn->used = False;
3075
3076         close_cnum(conn,vuid);
3077
3078         END_PROFILE(SMBtdis);
3079         return outsize;
3080 }
3081
3082 /****************************************************************************
3083  Reply to a echo.
3084 ****************************************************************************/
3085
3086 int reply_echo(connection_struct *conn,
3087                char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
3088 {
3089         int smb_reverb = SVAL(inbuf,smb_vwv0);
3090         int seq_num;
3091         unsigned int data_len = smb_buflen(inbuf);
3092         int outsize = set_message(outbuf,1,data_len,True);
3093         START_PROFILE(SMBecho);
3094
3095         if (data_len > BUFFER_SIZE) {
3096                 DEBUG(0,("reply_echo: data_len too large.\n"));
3097                 END_PROFILE(SMBecho);
3098                 return -1;
3099         }
3100
3101         /* copy any incoming data back out */
3102         if (data_len > 0)
3103                 memcpy(smb_buf(outbuf),smb_buf(inbuf),data_len);
3104
3105         if (smb_reverb > 100) {
3106                 DEBUG(0,("large reverb (%d)?? Setting to 100\n",smb_reverb));
3107                 smb_reverb = 100;
3108         }
3109
3110         for (seq_num =1 ; seq_num <= smb_reverb ; seq_num++) {
3111                 SSVAL(outbuf,smb_vwv0,seq_num);
3112
3113                 smb_setlen(outbuf,outsize - 4);
3114
3115                 if (!send_smb(smbd_server_fd(),outbuf))
3116                         exit_server("reply_echo: send_smb failed.");
3117         }
3118
3119         DEBUG(3,("echo %d times\n", smb_reverb));
3120
3121         smb_echo_count++;
3122
3123         END_PROFILE(SMBecho);
3124         return -1;
3125 }
3126
3127 /****************************************************************************
3128  Reply to a printopen.
3129 ****************************************************************************/
3130
3131 int reply_printopen(connection_struct *conn,
3132                     char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
3133 {
3134         int outsize = 0;
3135         files_struct *fsp;
3136         START_PROFILE(SMBsplopen);
3137
3138         if (!CAN_PRINT(conn)) {
3139                 END_PROFILE(SMBsplopen);
3140                 return ERROR_DOS(ERRDOS,ERRnoaccess);
3141         }
3142
3143         /* Open for exclusive use, write only. */
3144         fsp = print_fsp_open(conn, NULL);
3145
3146         if (!fsp) {
3147                 END_PROFILE(SMBsplopen);
3148                 return(UNIXERROR(ERRDOS,ERRnoaccess));
3149         }
3150
3151         outsize = set_message(outbuf,1,0,True);
3152         SSVAL(outbuf,smb_vwv0,fsp->fnum);
3153
3154         DEBUG(3,("openprint fd=%d fnum=%d\n",
3155                  fsp->fd, fsp->fnum));
3156
3157         END_PROFILE(SMBsplopen);
3158         return(outsize);
3159 }
3160
3161 /****************************************************************************
3162  Reply to a printclose.
3163 ****************************************************************************/
3164
3165 int reply_printclose(connection_struct *conn,
3166                      char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
3167 {
3168         int outsize = set_message(outbuf,0,0,True);
3169         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
3170         int close_err = 0;
3171         START_PROFILE(SMBsplclose);
3172
3173         CHECK_FSP(fsp,conn);
3174
3175         if (!CAN_PRINT(conn)) {
3176                 END_PROFILE(SMBsplclose);
3177                 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
3178         }
3179
3180         DEBUG(3,("printclose fd=%d fnum=%d\n",
3181                  fsp->fd,fsp->fnum));
3182
3183         close_err = close_file(fsp,True);
3184
3185         if(close_err != 0) {
3186                 errno = close_err;
3187                 END_PROFILE(SMBsplclose);
3188                 return(UNIXERROR(ERRHRD,ERRgeneral));
3189         }
3190
3191         END_PROFILE(SMBsplclose);
3192         return(outsize);
3193 }
3194
3195 /****************************************************************************
3196  Reply to a printqueue.
3197 ****************************************************************************/
3198
3199 int reply_printqueue(connection_struct *conn,
3200                      char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
3201 {
3202         int outsize = set_message(outbuf,2,3,True);
3203         int max_count = SVAL(inbuf,smb_vwv0);
3204         int start_index = SVAL(inbuf,smb_vwv1);
3205         START_PROFILE(SMBsplretq);
3206
3207         /* we used to allow the client to get the cnum wrong, but that
3208            is really quite gross and only worked when there was only
3209            one printer - I think we should now only accept it if they
3210            get it right (tridge) */
3211         if (!CAN_PRINT(conn)) {
3212                 END_PROFILE(SMBsplretq);
3213                 return ERROR_DOS(ERRDOS,ERRnoaccess);
3214         }
3215
3216         SSVAL(outbuf,smb_vwv0,0);
3217         SSVAL(outbuf,smb_vwv1,0);
3218         SCVAL(smb_buf(outbuf),0,1);
3219         SSVAL(smb_buf(outbuf),1,0);
3220
3221         DEBUG(3,("printqueue start_index=%d max_count=%d\n",
3222                  start_index, max_count));
3223
3224         {
3225                 print_queue_struct *queue = NULL;
3226                 print_status_struct status;
3227                 char *p = smb_buf(outbuf) + 3;
3228                 int count = print_queue_status(SNUM(conn), &queue, &status);
3229                 int num_to_get = ABS(max_count);
3230                 int first = (max_count>0?start_index:start_index+max_count+1);
3231                 int i;
3232
3233                 if (first >= count)
3234                         num_to_get = 0;
3235                 else
3236                         num_to_get = MIN(num_to_get,count-first);
3237
3238
3239                 for (i=first;i<first+num_to_get;i++) {
3240                         put_dos_date2(p,0,queue[i].time);
3241                         SCVAL(p,4,(queue[i].status==LPQ_PRINTING?2:3));
3242                         SSVAL(p,5, queue[i].job);
3243                         SIVAL(p,7,queue[i].size);
3244                         SCVAL(p,11,0);
3245                         srvstr_push(outbuf, p+12, queue[i].fs_user, 16, STR_ASCII);
3246                         p += 28;
3247                 }
3248
3249                 if (count > 0) {
3250                         outsize = set_message(outbuf,2,28*count+3,False);
3251                         SSVAL(outbuf,smb_vwv0,count);
3252                         SSVAL(outbuf,smb_vwv1,(max_count>0?first+count:first-1));
3253                         SCVAL(smb_buf(outbuf),0,1);
3254                         SSVAL(smb_buf(outbuf),1,28*count);
3255                 }
3256
3257                 SAFE_FREE(queue);
3258
3259                 DEBUG(3,("%d entries returned in queue\n",count));
3260         }
3261
3262         END_PROFILE(SMBsplretq);
3263         return(outsize);
3264 }
3265
3266 /****************************************************************************
3267  Reply to a printwrite.
3268 ****************************************************************************/
3269
3270 int reply_printwrite(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
3271 {
3272         int numtowrite;
3273         int outsize = set_message(outbuf,0,0,True);
3274         char *data;
3275         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
3276
3277         START_PROFILE(SMBsplwr);
3278
3279         if (!CAN_PRINT(conn)) {
3280                 END_PROFILE(SMBsplwr);
3281                 return ERROR_DOS(ERRDOS,ERRnoaccess);
3282         }
3283
3284         CHECK_FSP(fsp,conn);
3285         CHECK_WRITE(fsp);
3286
3287         numtowrite = SVAL(smb_buf(inbuf),1);
3288         data = smb_buf(inbuf) + 3;
3289
3290         if (write_file(fsp,data,-1,numtowrite) != numtowrite) {
3291                 END_PROFILE(SMBsplwr);
3292                 return(UNIXERROR(ERRHRD,ERRdiskfull));
3293         }
3294
3295         DEBUG( 3, ( "printwrite fnum=%d num=%d\n", fsp->fnum, numtowrite ) );
3296
3297         END_PROFILE(SMBsplwr);
3298         return(outsize);
3299 }
3300
3301 /****************************************************************************
3302  The guts of the mkdir command, split out so it may be called by the NT SMB
3303  code.
3304 ****************************************************************************/
3305
3306 NTSTATUS mkdir_internal(connection_struct *conn, pstring directory)
3307 {
3308         BOOL bad_path = False;
3309         SMB_STRUCT_STAT sbuf;
3310         int ret= -1;
3311
3312         unix_convert(directory,conn,0,&bad_path,&sbuf);
3313
3314         if( strchr_m(directory, ':')) {
3315                 return NT_STATUS_NOT_A_DIRECTORY;
3316         }
3317
3318         if (ms_has_wild(directory)) {
3319                 return NT_STATUS_OBJECT_NAME_INVALID;
3320         }
3321
3322         if (bad_path) {
3323                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
3324         }
3325
3326         if (check_name(directory, conn))
3327                 ret = vfs_MkDir(conn,directory,unix_mode(conn,aDIR,directory,True));
3328
3329         if (ret == -1) {
3330                 if(errno == ENOENT) {
3331                         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3332                 }
3333                 return map_nt_error_from_unix(errno);
3334         }
3335
3336         return NT_STATUS_OK;
3337 }
3338
3339 /****************************************************************************
3340  Reply to a mkdir.
3341 ****************************************************************************/
3342
3343 int reply_mkdir(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
3344 {
3345         pstring directory;
3346         int outsize;
3347         NTSTATUS status;
3348         START_PROFILE(SMBmkdir);
3349
3350         srvstr_get_path(inbuf, directory, smb_buf(inbuf) + 1, sizeof(directory), 0, STR_TERMINATE, &status, False);
3351         if (!NT_STATUS_IS_OK(status)) {
3352                 END_PROFILE(SMBmkdir);
3353                 return ERROR_NT(status);
3354         }
3355
3356         RESOLVE_DFSPATH(directory, conn, inbuf, outbuf);
3357
3358         status = mkdir_internal(conn, directory);
3359         if (!NT_STATUS_IS_OK(status)) {
3360                 END_PROFILE(SMBmkdir);
3361                 return ERROR_NT(status);
3362         }
3363
3364         outsize = set_message(outbuf,0,0,True);
3365
3366         DEBUG( 3, ( "mkdir %s ret=%d\n", directory, outsize ) );
3367
3368         END_PROFILE(SMBmkdir);
3369         return(outsize);
3370 }
3371
3372 /****************************************************************************
3373  Static function used by reply_rmdir to delete an entire directory
3374  tree recursively. Return False on ok, True on fail.
3375 ****************************************************************************/
3376
3377 static BOOL recursive_rmdir(connection_struct *conn, char *directory)
3378 {
3379         const char *dname = NULL;
3380         BOOL ret = False;
3381         long offset = 0;
3382         struct smb_Dir *dir_hnd = OpenDir(conn, directory);
3383
3384         if(dir_hnd == NULL)
3385                 return True;
3386
3387         while((dname = ReadDirName(dir_hnd, &offset))) {
3388                 pstring fullname;
3389                 SMB_STRUCT_STAT st;
3390
3391                 if((strcmp(dname, ".") == 0) || (strcmp(dname, "..")==0))
3392                         continue;
3393
3394                 if (!is_visible_file(conn, directory, dname, &st, False))
3395                         continue;
3396
3397                 /* Construct the full name. */
3398                 if(strlen(directory) + strlen(dname) + 1 >= sizeof(fullname)) {
3399                         errno = ENOMEM;
3400                         ret = True;
3401                         break;
3402                 }
3403
3404                 pstrcpy(fullname, directory);
3405                 pstrcat(fullname, "/");
3406                 pstrcat(fullname, dname);
3407
3408                 if(SMB_VFS_LSTAT(conn,fullname, &st) != 0) {
3409                         ret = True;
3410                         break;
3411                 }
3412
3413                 if(st.st_mode & S_IFDIR) {
3414                         if(recursive_rmdir(conn, fullname)!=0) {
3415                                 ret = True;
3416                                 break;
3417                         }
3418                         if(SMB_VFS_RMDIR(conn,fullname) != 0) {
3419                                 ret = True;
3420                                 break;
3421                         }
3422                 } else if(SMB_VFS_UNLINK(conn,fullname) != 0) {
3423                         ret = True;
3424                         break;
3425                 }
3426         }
3427         CloseDir(dir_hnd);
3428         return ret;
3429 }
3430
3431 /****************************************************************************
3432  The internals of the rmdir code - called elsewhere.
3433 ****************************************************************************/
3434
3435 BOOL rmdir_internals(connection_struct *conn, char *directory)
3436 {
3437         BOOL ok;
3438         SMB_STRUCT_STAT st;
3439
3440         ok = (SMB_VFS_RMDIR(conn,directory) == 0);
3441         if(!ok && ((errno == ENOTEMPTY)||(errno == EEXIST)) && lp_veto_files(SNUM(conn))) {
3442                 /*
3443                  * Check to see if the only thing in this directory are
3444                  * vetoed files/directories. If so then delete them and
3445                  * retry. If we fail to delete any of them (and we *don't*
3446                  * do a recursive delete) then fail the rmdir.
3447                  */
3448                 BOOL all_veto_files = True;
3449                 const char *dname;
3450                 struct smb_Dir *dir_hnd = OpenDir(conn, directory);
3451
3452                 if(dir_hnd != NULL) {
3453                         long dirpos = TellDir(dir_hnd);
3454                         while ((dname = ReadDirName(dir_hnd,&dirpos))) {
3455                                 if((strcmp(dname, ".") == 0) || (strcmp(dname, "..")==0))
3456                                         continue;
3457                                 if (!is_visible_file(conn, directory, dname, &st, False))
3458                                         continue;
3459                                 if(!IS_VETO_PATH(conn, dname)) {
3460                                         all_veto_files = False;
3461                                         break;
3462                                 }
3463                         }
3464
3465                         if(all_veto_files) {
3466                                 SeekDir(dir_hnd,dirpos);
3467                                 while ((dname = ReadDirName(dir_hnd,&dirpos))) {
3468                                         pstring fullname;
3469
3470                                         if((strcmp(dname, ".") == 0) || (strcmp(dname, "..")==0))
3471                                                 continue;
3472                                         if (!is_visible_file(conn, directory, dname, &st, False))
3473                                                 continue;
3474
3475                                         /* Construct the full name. */
3476                                         if(strlen(directory) + strlen(dname) + 1 >= sizeof(fullname)) {
3477                                                 errno = ENOMEM;
3478                                                 break;
3479                                         }
3480
3481                                         pstrcpy(fullname, directory);
3482                                         pstrcat(fullname, "/");
3483                                         pstrcat(fullname, dname);
3484
3485                                         if(SMB_VFS_LSTAT(conn,fullname, &st) != 0)
3486                                                 break;
3487                                         if(st.st_mode & S_IFDIR) {
3488                                                 if(lp_recursive_veto_delete(SNUM(conn))) {
3489                                                         if(recursive_rmdir(conn, fullname) != 0)
3490                                                                 break;
3491                                                 }
3492                                                 if(SMB_VFS_RMDIR(conn,fullname) != 0)
3493                                                         break;
3494                                         } else if(SMB_VFS_UNLINK(conn,fullname) != 0)
3495                                                 break;
3496                                 }
3497                                 CloseDir(dir_hnd);
3498                                 /* Retry the rmdir */
3499                                 ok = (SMB_VFS_RMDIR(conn,directory) == 0);
3500                         } else {
3501                                 CloseDir(dir_hnd);
3502                         }
3503                 } else {
3504                         errno = ENOTEMPTY;
3505                 }
3506         }
3507
3508         if (!ok)
3509                 DEBUG(3,("rmdir_internals: couldn't remove directory %s : %s\n", directory,strerror(errno)));
3510
3511         return ok;
3512 }
3513
3514 /****************************************************************************
3515  Reply to a rmdir.
3516 ****************************************************************************/
3517
3518 int reply_rmdir(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
3519 {
3520         pstring directory;
3521         int outsize = 0;
3522         BOOL ok = False;
3523         BOOL bad_path = False;
3524         SMB_STRUCT_STAT sbuf;
3525         NTSTATUS status;
3526         START_PROFILE(SMBrmdir);
3527
3528         srvstr_get_path(inbuf, directory, smb_buf(inbuf) + 1, sizeof(directory), 0, STR_TERMINATE, &status, False);
3529         if (!NT_STATUS_IS_OK(status)) {
3530                 END_PROFILE(SMBrmdir);
3531                 return ERROR_NT(status);
3532         }
3533
3534         RESOLVE_DFSPATH(directory, conn, inbuf, outbuf)
3535
3536         unix_convert(directory,conn, NULL,&bad_path,&sbuf);
3537         if (bad_path) {
3538                 END_PROFILE(SMBrmdir);
3539                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
3540         }
3541
3542         if (check_name(directory,conn)) {
3543                 dptr_closepath(directory,SVAL(inbuf,smb_pid));
3544                 ok = rmdir_internals(conn, directory);
3545         }
3546
3547         if (!ok) {
3548                 END_PROFILE(SMBrmdir);
3549                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS, ERRbadpath);
3550         }
3551
3552         outsize = set_message(outbuf,0,0,True);
3553
3554         DEBUG( 3, ( "rmdir %s\n", directory ) );
3555
3556         END_PROFILE(SMBrmdir);
3557         return(outsize);
3558 }
3559
3560 /*******************************************************************
3561  Resolve wildcards in a filename rename.
3562  Note that name is in UNIX charset and thus potentially can be more
3563  than fstring buffer (255 bytes) especially in default UTF-8 case.
3564  Therefore, we use pstring inside and all calls should ensure that
3565  name2 is at least pstring-long (they do already)
3566 ********************************************************************/
3567
3568 static BOOL resolve_wildcards(const char *name1, char *name2)
3569 {
3570         pstring root1,root2;
3571         pstring ext1,ext2;
3572         char *p,*p2, *pname1, *pname2;
3573         int available_space, actual_space;
3574
3575
3576         pname1 = strrchr_m(name1,'/');
3577         pname2 = strrchr_m(name2,'/');
3578
3579         if (!pname1 || !pname2)
3580                 return(False);
3581
3582         pstrcpy(root1,pname1);
3583         pstrcpy(root2,pname2);
3584         p = strrchr_m(root1,'.');
3585         if (p) {
3586                 *p = 0;
3587                 pstrcpy(ext1,p+1);
3588         } else {
3589                 pstrcpy(ext1,"");
3590         }
3591         p = strrchr_m(root2,'.');
3592         if (p) {
3593                 *p = 0;
3594                 pstrcpy(ext2,p+1);
3595         } else {
3596                 pstrcpy(ext2,"");
3597         }
3598
3599         p = root1;
3600         p2 = root2;
3601         while (*p2) {
3602                 if (*p2 == '?') {
3603                         *p2 = *p;
3604                         p2++;
3605                 } else if (*p2 == '*') {
3606                         pstrcpy(p2, p);
3607                         break;
3608                 } else {
3609                         p2++;
3610                 }
3611                 if (*p)
3612                         p++;
3613         }
3614
3615         p = ext1;
3616         p2 = ext2;
3617         while (*p2) {
3618                 if (*p2 == '?') {
3619                         *p2 = *p;
3620                         p2++;
3621                 } else if (*p2 == '*') {
3622                         pstrcpy(p2, p);
3623                         break;
3624                 } else {
3625                         p2++;
3626                 }
3627                 if (*p)
3628                         p++;
3629         }
3630
3631         available_space = sizeof(pstring) - PTR_DIFF(pname2, name2);
3632
3633         if (ext2[0]) {
3634                 actual_space = snprintf(pname2, available_space - 1, "%s.%s", root2, ext2);
3635                 if (actual_space >= available_space - 1) {
3636                         DEBUG(1,("resolve_wildcards: can't fit resolved name into specified buffer (overrun by %d bytes)\n",
3637                                 actual_space - available_space));
3638                 }
3639         } else {
3640                 pstrcpy_base(pname2, root2, name2);
3641         }
3642
3643         return(True);
3644 }
3645
3646 /****************************************************************************
3647  Ensure open files have their names updates.
3648 ****************************************************************************/
3649
3650 static void rename_open_files(connection_struct *conn, SMB_DEV_T dev, SMB_INO_T inode, char *newname)
3651 {
3652         files_struct *fsp;
3653         BOOL did_rename = False;
3654
3655         for(fsp = file_find_di_first(dev, inode); fsp; fsp = file_find_di_next(fsp)) {
3656                 DEBUG(10,("rename_open_files: renaming file fnum %d (dev = %x, inode = %.0f) from %s -> %s\n",
3657                         fsp->fnum, (unsigned int)fsp->dev, (double)fsp->inode,
3658                         fsp->fsp_name, newname ));
3659                 string_set(&fsp->fsp_name, newname);
3660                 did_rename = True;
3661         }
3662
3663         if (!did_rename)
3664                 DEBUG(10,("rename_open_files: no open files on dev %x, inode %.0f for %s\n",
3665                         (unsigned int)dev, (double)inode, newname ));
3666 }
3667
3668 /****************************************************************************
3669  Rename an open file - given an fsp.
3670 ****************************************************************************/
3671
3672 NTSTATUS rename_internals_fsp(connection_struct *conn, files_struct *fsp, char *newname, uint16 attrs, BOOL replace_if_exists)
3673 {
3674         SMB_STRUCT_STAT sbuf;
3675         BOOL bad_path = False;
3676         pstring newname_last_component;
3677         NTSTATUS error = NT_STATUS_OK;
3678         BOOL dest_exists;
3679         BOOL rcdest = True;
3680
3681         ZERO_STRUCT(sbuf);
3682         rcdest = unix_convert(newname,conn,newname_last_component,&bad_path,&sbuf);
3683
3684         /* Quick check for "." and ".." */
3685         if (!bad_path && newname_last_component[0] == '.') {
3686                 if (!newname_last_component[1] || (newname_last_component[1] == '.' && !newname_last_component[2])) {
3687                         return NT_STATUS_ACCESS_DENIED;
3688                 }
3689         }
3690         if (!rcdest && bad_path) {
3691                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
3692         }
3693
3694         /* Ensure newname contains a '/' */
3695         if(strrchr_m(newname,'/') == 0) {
3696                 pstring tmpstr;
3697
3698                 pstrcpy(tmpstr, "./");
3699                 pstrcat(tmpstr, newname);
3700                 pstrcpy(newname, tmpstr);
3701         }
3702
3703         /*
3704          * Check for special case with case preserving and not
3705          * case sensitive. If the old last component differs from the original
3706          * last component only by case, then we should allow
3707          * the rename (user is trying to change the case of the
3708          * filename).
3709          */
3710
3711         if((conn->case_sensitive == False) && (conn->case_preserve == True) &&
3712                         strequal(newname, fsp->fsp_name)) {
3713                 char *p;
3714                 pstring newname_modified_last_component;
3715
3716                 /*
3717                  * Get the last component of the modified name.
3718                  * Note that we guarantee that newname contains a '/'
3719                  * character above.
3720                  */
3721                 p = strrchr_m(newname,'/');
3722                 pstrcpy(newname_modified_last_component,p+1);
3723
3724                 if(strcsequal(newname_modified_last_component,
3725                               newname_last_component) == False) {
3726                         /*
3727                          * Replace the modified last component with
3728                          * the original.
3729                          */
3730                         pstrcpy(p+1, newname_last_component);
3731                 }
3732         }
3733
3734         /*
3735          * If the src and dest names are identical - including case,
3736          * don't do the rename, just return success.
3737          */
3738
3739         if (strcsequal(fsp->fsp_name, newname)) {
3740                 DEBUG(3,("rename_internals_fsp: identical names in rename %s - returning success\n",
3741                         newname));
3742                 return NT_STATUS_OK;
3743         }
3744
3745         dest_exists = vfs_object_exist(conn,newname,NULL);
3746
3747         if(!replace_if_exists && dest_exists) {
3748                 DEBUG(3,("rename_internals_fsp: dest exists doing rename %s -> %s\n",
3749                         fsp->fsp_name,newname));
3750                 return NT_STATUS_OBJECT_NAME_COLLISION;
3751         }
3752
3753         error = can_rename(conn,newname,attrs,&sbuf);
3754
3755         if (dest_exists && !NT_STATUS_IS_OK(error)) {
3756                 DEBUG(3,("rename_internals: Error %s rename %s -> %s\n",
3757                         nt_errstr(error), fsp->fsp_name,newname));
3758                 if (NT_STATUS_EQUAL(error,NT_STATUS_SHARING_VIOLATION))
3759                         error = NT_STATUS_ACCESS_DENIED;
3760                 return error;
3761         }
3762
3763         if(SMB_VFS_RENAME(conn,fsp->fsp_name, newname) == 0) {
3764                 DEBUG(3,("rename_internals_fsp: succeeded doing rename on %s -> %s\n",
3765                         fsp->fsp_name,newname));
3766                 rename_open_files(conn, fsp->dev, fsp->inode, newname);
3767                 return NT_STATUS_OK;
3768         }
3769
3770         if (errno == ENOTDIR || errno == EISDIR)
3771                 error = NT_STATUS_OBJECT_NAME_COLLISION;
3772         else
3773                 error = map_nt_error_from_unix(errno);
3774
3775         DEBUG(3,("rename_internals_fsp: Error %s rename %s -> %s\n",
3776                 nt_errstr(error), fsp->fsp_name,newname));
3777
3778         return error;
3779 }
3780
3781 /****************************************************************************
3782  The guts of the rename command, split out so it may be called by the NT SMB
3783  code.
3784 ****************************************************************************/
3785
3786 NTSTATUS rename_internals(connection_struct *conn, char *name, char *newname, uint16 attrs, BOOL replace_if_exists)
3787 {
3788         pstring directory;
3789         pstring mask;
3790         pstring last_component_src;
3791         pstring last_component_dest;
3792         char *p;
3793         BOOL has_wild;
3794         BOOL bad_path_src = False;
3795         BOOL bad_path_dest = False;
3796         int count=0;
3797         NTSTATUS error = NT_STATUS_OK;
3798         BOOL rc = True;
3799         BOOL rcdest = True;
3800         SMB_STRUCT_STAT sbuf1, sbuf2;
3801
3802         *directory = *mask = 0;
3803
3804         ZERO_STRUCT(sbuf1);
3805         ZERO_STRUCT(sbuf2);
3806
3807         rc = unix_convert(name,conn,last_component_src,&bad_path_src,&sbuf1);
3808         if (!rc && bad_path_src) {
3809                 if (ms_has_wild(last_component_src))
3810                         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3811                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
3812         }
3813
3814         /* Quick check for "." and ".." */
3815         if (last_component_src[0] == '.') {
3816                 if (!last_component_src[1] || (last_component_src[1] == '.' && !last_component_src[2])) {
3817                         return NT_STATUS_OBJECT_NAME_INVALID;
3818                 }
3819         }
3820
3821         rcdest = unix_convert(newname,conn,last_component_dest,&bad_path_dest,&sbuf2);
3822
3823         /* Quick check for "." and ".." */
3824         if (last_component_dest[0] == '.') {
3825                 if (!last_component_dest[1] || (last_component_dest[1] == '.' && !last_component_dest[2])) {
3826                         return NT_STATUS_OBJECT_NAME_INVALID;
3827                 }
3828         }
3829
3830         /*
3831          * Split the old name into directory and last component
3832          * strings. Note that unix_convert may have stripped off a
3833          * leading ./ from both name and newname if the rename is
3834          * at the root of the share. We need to make sure either both
3835          * name and newname contain a / character or neither of them do
3836          * as this is checked in resolve_wildcards().
3837          */
3838
3839         p = strrchr_m(name,'/');
3840         if (!p) {
3841                 pstrcpy(directory,".");
3842                 pstrcpy(mask,name);
3843         } else {
3844                 *p = 0;
3845                 pstrcpy(directory,name);
3846                 pstrcpy(mask,p+1);
3847                 *p = '/'; /* Replace needed for exceptional test below. */
3848         }
3849
3850         /*
3851          * We should only check the mangled cache
3852          * here if unix_convert failed. This means
3853          * that the path in 'mask' doesn't exist
3854          * on the file system and so we need to look
3855          * for a possible mangle. This patch from
3856          * Tine Smukavec <valentin.smukavec@hermes.si>.
3857          */
3858
3859         if (!rc && mangle_is_mangled(mask))
3860                 mangle_check_cache( mask, sizeof(pstring)-1 );
3861
3862         has_wild = ms_has_wild(mask);
3863
3864         if (!has_wild) {
3865                 /*
3866                  * No wildcards - just process the one file.
3867                  */
3868                 BOOL is_short_name = mangle_is_8_3(name, True);
3869
3870                 /* Add a terminating '/' to the directory name. */
3871                 pstrcat(directory,"/");
3872                 pstrcat(directory,mask);
3873
3874                 /* Ensure newname contains a '/' also */
3875                 if(strrchr_m(newname,'/') == 0) {
3876                         pstring tmpstr;
3877
3878                         pstrcpy(tmpstr, "./");
3879                         pstrcat(tmpstr, newname);
3880                         pstrcpy(newname, tmpstr);
3881                 }
3882
3883                 DEBUG(3,("rename_internals: case_sensitive = %d, case_preserve = %d, short case preserve = %d, \
3884 directory = %s, newname = %s, last_component_dest = %s, is_8_3 = %d\n",
3885                          conn->case_sensitive, conn->case_preserve, conn->short_case_preserve, directory,
3886                          newname, last_component_dest, is_short_name));
3887
3888                 /*
3889                  * Check for special case with case preserving and not
3890                  * case sensitive, if directory and newname are identical,
3891                  * and the old last component differs from the original
3892                  * last component only by case, then we should allow
3893                  * the rename (user is trying to change the case of the
3894                  * filename).
3895                  */
3896                 if((conn->case_sensitive == False) &&
3897                    (((conn->case_preserve == True) &&
3898                      (is_short_name == False)) ||
3899                     ((conn->short_case_preserve == True) &&
3900                      (is_short_name == True))) &&
3901                    strcsequal(directory, newname)) {
3902                         pstring modified_last_component;
3903
3904                         /*
3905                          * Get the last component of the modified name.
3906                          * Note that we guarantee that newname contains a '/'
3907                          * character above.
3908                          */
3909                         p = strrchr_m(newname,'/');
3910                         pstrcpy(modified_last_component,p+1);
3911
3912                         if(strcsequal(modified_last_component,
3913                                       last_component_dest) == False) {
3914                                 /*
3915                                  * Replace the modified last component with
3916                                  * the original.
3917                                  */
3918                                 pstrcpy(p+1, last_component_dest);
3919                         }
3920                 }
3921
3922                 resolve_wildcards(directory,newname);
3923
3924                 /*
3925                  * The source object must exist.
3926                  */
3927
3928                 if (!vfs_object_exist(conn, directory, &sbuf1)) {
3929                         DEBUG(3,("rename_internals: source doesn't exist doing rename %s -> %s\n",
3930                                 directory,newname));
3931
3932                         if (errno == ENOTDIR || errno == EISDIR || errno == ENOENT) {
3933                                 /*
3934                                  * Must return different errors depending on whether the parent
3935                                  * directory existed or not.
3936                                  */
3937
3938                                 p = strrchr_m(directory, '/');
3939                                 if (!p)
3940                                         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3941                                 *p = '\0';
3942                                 if (vfs_object_exist(conn, directory, NULL))
3943                                         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3944                                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
3945                         }
3946                         error = map_nt_error_from_unix(errno);
3947                         DEBUG(3,("rename_internals: Error %s rename %s -> %s\n",
3948                                 nt_errstr(error), directory,newname));
3949
3950                         return error;
3951                 }
3952
3953                 if (!rcdest && bad_path_dest) {
3954                         if (ms_has_wild(last_component_dest))
3955                                 return NT_STATUS_OBJECT_NAME_INVALID;
3956                         return NT_STATUS_OBJECT_PATH_NOT_FOUND;
3957                 }
3958
3959                 error = can_rename(conn,directory,attrs,&sbuf1);
3960
3961                 if (!NT_STATUS_IS_OK(error)) {
3962                         DEBUG(3,("rename_internals: Error %s rename %s -> %s\n",
3963                                 nt_errstr(error), directory,newname));
3964                         return error;
3965                 }
3966
3967                 /*
3968                  * If the src and dest names are identical - including case,
3969                  * don't do the rename, just return success.
3970                  */
3971
3972                 if (strcsequal(directory, newname)) {
3973                         rename_open_files(conn, sbuf1.st_dev, sbuf1.st_ino, newname);
3974                         DEBUG(3,("rename_internals: identical names in rename %s - returning success\n", directory));
3975                         return NT_STATUS_OK;
3976                 }
3977
3978                 if(!replace_if_exists && vfs_object_exist(conn,newname,NULL)) {
3979                         DEBUG(3,("rename_internals: dest exists doing rename %s -> %s\n",
3980                                 directory,newname));
3981                         return NT_STATUS_OBJECT_NAME_COLLISION;
3982                 }
3983
3984                 if(SMB_VFS_RENAME(conn,directory, newname) == 0) {
3985                         DEBUG(3,("rename_internals: succeeded doing rename on %s -> %s\n",
3986                                 directory,newname));
3987                         rename_open_files(conn, sbuf1.st_dev, sbuf1.st_ino, newname);
3988                         return NT_STATUS_OK;
3989                 }
3990
3991                 if (errno == ENOTDIR || errno == EISDIR)
3992                         error = NT_STATUS_OBJECT_NAME_COLLISION;
3993                 else
3994                         error = map_nt_error_from_unix(errno);
3995
3996                 DEBUG(3,("rename_internals: Error %s rename %s -> %s\n",
3997                         nt_errstr(error), directory,newname));
3998
3999                 return error;
4000         } else {
4001                 /*
4002                  * Wildcards - process each file that matches.
4003                  */
4004                 struct smb_Dir *dir_hnd = NULL;
4005                 const char *dname;
4006                 pstring destname;
4007
4008                 if (check_name(directory,conn))
4009                         dir_hnd = OpenDir(conn, directory);
4010
4011                 if (dir_hnd) {
4012                         long offset = 0;
4013                         error = NT_STATUS_NO_SUCH_FILE;
4014 /*                      Was error = NT_STATUS_OBJECT_NAME_NOT_FOUND; - gentest fix. JRA */
4015
4016                         if (strequal(mask,"????????.???"))
4017                                 pstrcpy(mask,"*");
4018
4019                         while ((dname = ReadDirName(dir_hnd, &offset))) {
4020                                 pstring fname;
4021                                 BOOL sysdir_entry = False;
4022
4023                                 pstrcpy(fname,dname);
4024
4025                                 /* Quick check for "." and ".." */
4026                                 if (fname[0] == '.') {
4027                                         if (!fname[1] || (fname[1] == '.' && !fname[2])) {
4028                                                 if (attrs & aDIR) {
4029                                                         sysdir_entry = True;
4030                                                 } else {
4031                                                         continue;
4032                                                 }
4033                                         }
4034                                 }
4035
4036                                 if (!is_visible_file(conn, directory, dname, &sbuf1, False))
4037                                         continue;
4038
4039                                 if(!mask_match(fname, mask, conn->case_sensitive))
4040                                         continue;
4041
4042                                 if (sysdir_entry) {
4043                                         error = NT_STATUS_OBJECT_NAME_INVALID;
4044                                         break;
4045                                 }
4046
4047                                 error = NT_STATUS_ACCESS_DENIED;
4048                                 slprintf(fname,sizeof(fname)-1,"%s/%s",directory,dname);
4049                                 if (!vfs_object_exist(conn, fname, &sbuf1)) {
4050                                         error = NT_STATUS_OBJECT_NAME_NOT_FOUND;
4051                                         DEBUG(6,("rename %s failed. Error %s\n", fname, nt_errstr(error)));
4052                                         continue;
4053                                 }
4054                                 error = can_rename(conn,fname,attrs,&sbuf1);
4055                                 if (!NT_STATUS_IS_OK(error)) {
4056                                         DEBUG(6,("rename %s refused\n", fname));
4057                                         continue;
4058                                 }
4059                                 pstrcpy(destname,newname);
4060
4061                                 if (!resolve_wildcards(fname,destname)) {
4062                                         DEBUG(6,("resolve_wildcards %s %s failed\n",
4063                                                  fname, destname));
4064                                         continue;
4065                                 }
4066
4067                                 if (strcsequal(fname,destname)) {
4068                                         rename_open_files(conn, sbuf1.st_dev, sbuf1.st_ino, newname);
4069                                         DEBUG(3,("rename_internals: identical names in wildcard rename %s - success\n", fname));
4070                                         count++;
4071                                         error = NT_STATUS_OK;
4072                                         continue;
4073                                 }
4074
4075                                 if (!replace_if_exists &&
4076                                     vfs_file_exist(conn,destname, NULL)) {
4077                                         DEBUG(6,("file_exist %s\n", destname));
4078                                         error = NT_STATUS_OBJECT_NAME_COLLISION;
4079                                         continue;
4080                                 }
4081
4082                                 if (!SMB_VFS_RENAME(conn,fname,destname)) {
4083                                         rename_open_files(conn, sbuf1.st_dev, sbuf1.st_ino, newname);
4084                                         count++;
4085                                         error = NT_STATUS_OK;
4086                                 }
4087                                 DEBUG(3,("rename_internals: doing rename on %s -> %s\n",fname,destname));
4088                         }
4089                         CloseDir(dir_hnd);
4090                 }
4091
4092                 if (!NT_STATUS_EQUAL(error,NT_STATUS_NO_SUCH_FILE)) {
4093                         if (!rcdest && bad_path_dest) {
4094                                 if (ms_has_wild(last_component_dest))
4095                                         return NT_STATUS_OBJECT_NAME_INVALID;
4096                                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
4097                         }
4098                 }
4099         }
4100
4101         if (count == 0 && NT_STATUS_IS_OK(error)) {
4102                 error = map_nt_error_from_unix(errno);
4103         }
4104
4105         return error;
4106 }
4107
4108 /****************************************************************************
4109  Reply to a mv.
4110 ****************************************************************************/
4111
4112 int reply_mv(connection_struct *conn, char *inbuf,char *outbuf, int dum_size,
4113              int dum_buffsize)
4114 {
4115         int outsize = 0;
4116         pstring name;
4117         pstring newname;
4118         char *p;
4119         uint16 attrs = SVAL(inbuf,smb_vwv0);
4120         NTSTATUS status;
4121
4122         START_PROFILE(SMBmv);
4123
4124         p = smb_buf(inbuf) + 1;
4125         p += srvstr_get_path(inbuf, name, p, sizeof(name), 0, STR_TERMINATE, &status, True);
4126         if (!NT_STATUS_IS_OK(status)) {
4127                 END_PROFILE(SMBmv);
4128                 return ERROR_NT(status);
4129         }
4130         p++;
4131         p += srvstr_get_path(inbuf, newname, p, sizeof(newname), 0, STR_TERMINATE, &status, True);
4132         if (!NT_STATUS_IS_OK(status)) {
4133                 END_PROFILE(SMBmv);
4134                 return ERROR_NT(status);
4135         }
4136
4137         RESOLVE_DFSPATH(name, conn, inbuf, outbuf);
4138         RESOLVE_DFSPATH(newname, conn, inbuf, outbuf);
4139
4140         DEBUG(3,("reply_mv : %s -> %s\n",name,newname));
4141
4142         status = rename_internals(conn, name, newname, attrs, False);
4143         if (!NT_STATUS_IS_OK(status)) {
4144                 END_PROFILE(SMBmv);
4145                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
4146                         /* We have re-scheduled this call. */
4147                         clear_cached_errors();
4148                         return -1;
4149                 }
4150                 return ERROR_NT(status);
4151         }
4152
4153         /*
4154          * Win2k needs a changenotify request response before it will
4155          * update after a rename..
4156          */
4157         process_pending_change_notify_queue((time_t)0);
4158         outsize = set_message(outbuf,0,0,True);
4159
4160         END_PROFILE(SMBmv);
4161         return(outsize);
4162 }
4163
4164 /*******************************************************************
4165  Copy a file as part of a reply_copy.
4166 ******************************************************************/
4167
4168 static BOOL copy_file(char *src,char *dest1,connection_struct *conn, int ofun,
4169                       int count,BOOL target_is_directory, int *err_ret)
4170 {
4171         int Access,action;
4172         SMB_STRUCT_STAT src_sbuf, sbuf2;
4173         SMB_OFF_T ret=-1;
4174         files_struct *fsp1,*fsp2;
4175         pstring dest;
4176         uint32 dosattrs;
4177
4178         *err_ret = 0;
4179
4180         pstrcpy(dest,dest1);
4181         if (target_is_directory) {
4182                 char *p = strrchr_m(src,'/');
4183                 if (p)
4184                         p++;
4185                 else
4186                         p = src;
4187                 pstrcat(dest,"/");
4188                 pstrcat(dest,p);
4189         }
4190
4191         if (!vfs_file_exist(conn,src,&src_sbuf))
4192                 return(False);
4193
4194         fsp1 = open_file_shared(conn,src,&src_sbuf,SET_DENY_MODE(DENY_NONE)|SET_OPEN_MODE(DOS_OPEN_RDONLY),
4195                                         (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN),FILE_ATTRIBUTE_NORMAL,INTERNAL_OPEN_ONLY,
4196                                         &Access,&action);
4197
4198         if (!fsp1)
4199                 return(False);
4200
4201         if (!target_is_directory && count)
4202                 ofun = FILE_EXISTS_OPEN;
4203
4204         dosattrs = dos_mode(conn, src, &src_sbuf);
4205         if (SMB_VFS_STAT(conn,dest,&sbuf2) == -1)
4206                 ZERO_STRUCTP(&sbuf2);
4207
4208         fsp2 = open_file_shared(conn,dest,&sbuf2,SET_DENY_MODE(DENY_NONE)|SET_OPEN_MODE(DOS_OPEN_WRONLY),
4209                         ofun,dosattrs,INTERNAL_OPEN_ONLY,&Access,&action);
4210
4211         if (!fsp2) {
4212                 close_file(fsp1,False);
4213                 return(False);
4214         }
4215
4216         if ((ofun&3) == 1) {
4217                 if(SMB_VFS_LSEEK(fsp2,fsp2->fd,0,SEEK_END) == -1) {
4218                         DEBUG(0,("copy_file: error - vfs lseek returned error %s\n", strerror(errno) ));
4219                         /*
4220                          * Stop the copy from occurring.
4221                          */
4222                         ret = -1;
4223                         src_sbuf.st_size = 0;
4224                 }
4225         }
4226
4227         if (src_sbuf.st_size)
4228                 ret = vfs_transfer_file(fsp1, fsp2, src_sbuf.st_size);
4229
4230         close_file(fsp1,False);
4231
4232         /* Ensure the modtime is set correctly on the destination file. */
4233         fsp_set_pending_modtime( fsp2, src_sbuf.st_mtime);
4234
4235         /*
4236          * As we are opening fsp1 read-only we only expect
4237          * an error on close on fsp2 if we are out of space.
4238          * Thus we don't look at the error return from the
4239          * close of fsp1.
4240          */
4241         *err_ret = close_file(fsp2,False);
4242
4243         return(ret == (SMB_OFF_T)src_sbuf.st_size);
4244 }
4245
4246 /****************************************************************************
4247  Reply to a file copy.
4248 ****************************************************************************/
4249
4250 int reply_copy(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
4251 {
4252         int outsize = 0;
4253         pstring name;
4254         pstring directory;
4255         pstring mask,newname;
4256         char *p;
4257         int count=0;
4258         int error = ERRnoaccess;
4259         int err = 0;
4260         BOOL has_wild;
4261         BOOL exists=False;
4262         int tid2 = SVAL(inbuf,smb_vwv0);
4263         int ofun = SVAL(inbuf,smb_vwv1);
4264         int flags = SVAL(inbuf,smb_vwv2);
4265         BOOL target_is_directory=False;
4266         BOOL bad_path1 = False;
4267         BOOL bad_path2 = False;
4268         BOOL rc = True;
4269         SMB_STRUCT_STAT sbuf1, sbuf2;
4270         NTSTATUS status;
4271
4272         START_PROFILE(SMBcopy);
4273
4274         *directory = *mask = 0;
4275
4276         p = smb_buf(inbuf);
4277         p += srvstr_get_path(inbuf, name, p, sizeof(name), 0, STR_TERMINATE, &status, True);
4278         if (!NT_STATUS_IS_OK(status)) {
4279                 END_PROFILE(SMBcopy);
4280                 return ERROR_NT(status);
4281         }
4282         p += srvstr_get_path(inbuf, newname, p, sizeof(newname), 0, STR_TERMINATE, &status, True);
4283         if (!NT_STATUS_IS_OK(status)) {
4284                 END_PROFILE(SMBcopy);
4285                 return ERROR_NT(status);
4286         }
4287
4288         DEBUG(3,("reply_copy : %s -> %s\n",name,newname));
4289
4290         if (tid2 != conn->cnum) {
4291                 /* can't currently handle inter share copies XXXX */
4292                 DEBUG(3,("Rejecting inter-share copy\n"));
4293                 END_PROFILE(SMBcopy);
4294                 return ERROR_DOS(ERRSRV,ERRinvdevice);
4295         }
4296
4297         RESOLVE_DFSPATH(name, conn, inbuf, outbuf);
4298         RESOLVE_DFSPATH(newname, conn, inbuf, outbuf);
4299
4300         rc = unix_convert(name,conn,0,&bad_path1,&sbuf1);
4301         unix_convert(newname,conn,0,&bad_path2,&sbuf2);
4302
4303         target_is_directory = VALID_STAT_OF_DIR(sbuf2);
4304
4305         if ((flags&1) && target_is_directory) {
4306                 END_PROFILE(SMBcopy);
4307                 return ERROR_DOS(ERRDOS,ERRbadfile);
4308         }
4309
4310         if ((flags&2) && !target_is_directory) {
4311                 END_PROFILE(SMBcopy);
4312                 return ERROR_DOS(ERRDOS,ERRbadpath);
4313         }
4314
4315         if ((flags&(1<<5)) && VALID_STAT_OF_DIR(sbuf1)) {
4316                 /* wants a tree copy! XXXX */
4317                 DEBUG(3,("Rejecting tree copy\n"));
4318                 END_PROFILE(SMBcopy);
4319                 return ERROR_DOS(ERRSRV,ERRerror);
4320         }
4321
4322         p = strrchr_m(name,'/');
4323         if (!p) {
4324                 pstrcpy(directory,"./");
4325                 pstrcpy(mask,name);
4326         } else {
4327                 *p = 0;
4328                 pstrcpy(directory,name);
4329                 pstrcpy(mask,p+1);
4330         }
4331
4332         /*
4333          * We should only check the mangled cache
4334          * here if unix_convert failed. This means
4335          * that the path in 'mask' doesn't exist
4336          * on the file system and so we need to look
4337          * for a possible mangle. This patch from
4338          * Tine Smukavec <valentin.smukavec@hermes.si>.
4339          */
4340
4341         if (!rc && mangle_is_mangled(mask))
4342                 mangle_check_cache( mask, sizeof(pstring)-1 );
4343
4344         has_wild = ms_has_wild(mask);
4345
4346         if (!has_wild) {
4347                 pstrcat(directory,"/");
4348                 pstrcat(directory,mask);
4349                 if (resolve_wildcards(directory,newname) &&
4350                                 copy_file(directory,newname,conn,ofun, count,target_is_directory,&err))
4351                         count++;
4352                 if(!count && err) {
4353                         errno = err;
4354                         END_PROFILE(SMBcopy);
4355                         return(UNIXERROR(ERRHRD,ERRgeneral));
4356                 }
4357                 if (!count) {
4358                         exists = vfs_file_exist(conn,directory,NULL);
4359                 }
4360         } else {
4361                 struct smb_Dir *dir_hnd = NULL;
4362                 const char *dname;
4363                 pstring destname;
4364
4365                 if (check_name(directory,conn))
4366                         dir_hnd = OpenDir(conn, directory);
4367
4368                 if (dir_hnd) {
4369                         long offset = 0;
4370                         error = ERRbadfile;
4371
4372                         if (strequal(mask,"????????.???"))
4373                                 pstrcpy(mask,"*");
4374
4375                         while ((dname = ReadDirName(dir_hnd, &offset))) {
4376                                 pstring fname;
4377                                 pstrcpy(fname,dname);
4378
4379                                 if (!is_visible_file(conn, directory, dname, &sbuf1, False))
4380                                         continue;
4381
4382                                 if(!mask_match(fname, mask, conn->case_sensitive))
4383                                         continue;
4384
4385                                 error = ERRnoaccess;
4386                                 slprintf(fname,sizeof(fname)-1, "%s/%s",directory,dname);
4387                                 pstrcpy(destname,newname);
4388                                 if (resolve_wildcards(fname,destname) &&
4389                                                 copy_file(fname,destname,conn,ofun,
4390                                                 count,target_is_directory,&err))
4391                                         count++;
4392                                 DEBUG(3,("reply_copy : doing copy on %s -> %s\n",fname,destname));
4393                         }
4394                         CloseDir(dir_hnd);
4395                 }
4396         }
4397
4398         if (count == 0) {
4399                 if(err) {
4400                         /* Error on close... */
4401                         errno = err;
4402                         END_PROFILE(SMBcopy);
4403                         return(UNIXERROR(ERRHRD,ERRgeneral));
4404                 }
4405
4406                 if (exists) {
4407                         END_PROFILE(SMBcopy);
4408                         return ERROR_DOS(ERRDOS,error);
4409                 } else {
4410                         if((errno == ENOENT) && (bad_path1 || bad_path2)) {
4411                                 unix_ERR_class = ERRDOS;
4412                                 unix_ERR_code = ERRbadpath;
4413                         }
4414                         END_PROFILE(SMBcopy);
4415                         return(UNIXERROR(ERRDOS,error));
4416                 }
4417         }
4418
4419         outsize = set_message(outbuf,1,0,True);
4420         SSVAL(outbuf,smb_vwv0,count);
4421
4422         END_PROFILE(SMBcopy);
4423         return(outsize);
4424 }
4425
4426 /****************************************************************************
4427  Reply to a setdir.
4428 ****************************************************************************/
4429
4430 int reply_setdir(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
4431 {
4432         int snum;
4433         int outsize = 0;
4434         BOOL ok = False;
4435         pstring newdir;
4436         NTSTATUS status;
4437
4438         START_PROFILE(pathworks_setdir);
4439
4440         snum = SNUM(conn);
4441         if (!CAN_SETDIR(snum)) {
4442                 END_PROFILE(pathworks_setdir);
4443                 return ERROR_DOS(ERRDOS,ERRnoaccess);
4444         }
4445
4446         srvstr_get_path(inbuf, newdir, smb_buf(inbuf) + 1, sizeof(newdir), 0, STR_TERMINATE, &status, False);
4447         if (!NT_STATUS_IS_OK(status)) {
4448                 END_PROFILE(pathworks_setdir);
4449                 return ERROR_NT(status);
4450         }
4451
4452         if (strlen(newdir) == 0) {
4453                 ok = True;
4454         } else {
4455                 ok = vfs_directory_exist(conn,newdir,NULL);
4456                 if (ok)
4457                         string_set(&conn->connectpath,newdir);
4458         }
4459
4460         if (!ok) {
4461                 END_PROFILE(pathworks_setdir);
4462                 return ERROR_DOS(ERRDOS,ERRbadpath);
4463         }
4464
4465         outsize = set_message(outbuf,0,0,True);
4466         SCVAL(outbuf,smb_reh,CVAL(inbuf,smb_reh));
4467
4468         DEBUG(3,("setdir %s\n", newdir));
4469
4470         END_PROFILE(pathworks_setdir);
4471         return(outsize);
4472 }
4473
4474 /****************************************************************************
4475  Get a lock pid, dealing with large count requests.
4476 ****************************************************************************/
4477
4478 uint16 get_lock_pid( char *data, int data_offset, BOOL large_file_format)
4479 {
4480         if(!large_file_format)
4481                 return SVAL(data,SMB_LPID_OFFSET(data_offset));
4482         else
4483                 return SVAL(data,SMB_LARGE_LPID_OFFSET(data_offset));
4484 }
4485
4486 /****************************************************************************
4487  Get a lock count, dealing with large count requests.
4488 ****************************************************************************/
4489
4490 SMB_BIG_UINT get_lock_count( char *data, int data_offset, BOOL large_file_format)
4491 {
4492         SMB_BIG_UINT count = 0;
4493
4494         if(!large_file_format) {
4495                 count = (SMB_BIG_UINT)IVAL(data,SMB_LKLEN_OFFSET(data_offset));
4496         } else {
4497
4498 #if defined(HAVE_LONGLONG)
4499                 count = (((SMB_BIG_UINT) IVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset))) << 32) |
4500                         ((SMB_BIG_UINT) IVAL(data,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset)));
4501 #else /* HAVE_LONGLONG */
4502
4503                 /*
4504                  * NT4.x seems to be broken in that it sends large file (64 bit)
4505                  * lockingX calls even if the CAP_LARGE_FILES was *not*
4506                  * negotiated. For boxes without large unsigned ints truncate the
4507                  * lock count by dropping the top 32 bits.
4508                  */
4509
4510                 if(IVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset)) != 0) {
4511                         DEBUG(3,("get_lock_count: truncating lock count (high)0x%x (low)0x%x to just low count.\n",
4512                                 (unsigned int)IVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset)),
4513                                 (unsigned int)IVAL(data,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset)) ));
4514                                 SIVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset),0);
4515                 }
4516
4517                 count = (SMB_BIG_UINT)IVAL(data,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset));
4518 #endif /* HAVE_LONGLONG */
4519         }
4520
4521         return count;
4522 }
4523
4524 #if !defined(HAVE_LONGLONG)
4525 /****************************************************************************
4526  Pathetically try and map a 64 bit lock offset into 31 bits. I hate Windows :-).
4527 ****************************************************************************/
4528
4529 static uint32 map_lock_offset(uint32 high, uint32 low)
4530 {
4531         unsigned int i;
4532         uint32 mask = 0;
4533         uint32 highcopy = high;
4534
4535         /*
4536          * Try and find out how many significant bits there are in high.
4537          */
4538
4539         for(i = 0; highcopy; i++)
4540                 highcopy >>= 1;
4541
4542         /*
4543          * We use 31 bits not 32 here as POSIX
4544          * lock offsets may not be negative.
4545          */
4546
4547         mask = (~0) << (31 - i);
4548
4549         if(low & mask)
4550                 return 0; /* Fail. */
4551
4552         high <<= (31 - i);
4553
4554         return (high|low);
4555 }
4556 #endif /* !defined(HAVE_LONGLONG) */
4557
4558 /****************************************************************************
4559  Get a lock offset, dealing with large offset requests.
4560 ****************************************************************************/
4561
4562 SMB_BIG_UINT get_lock_offset( char *data, int data_offset, BOOL large_file_format, BOOL *err)
4563 {
4564         SMB_BIG_UINT offset = 0;
4565
4566         *err = False;
4567
4568         if(!large_file_format) {
4569                 offset = (SMB_BIG_UINT)IVAL(data,SMB_LKOFF_OFFSET(data_offset));
4570         } else {
4571
4572 #if defined(HAVE_LONGLONG)
4573                 offset = (((SMB_BIG_UINT) IVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset))) << 32) |
4574                                 ((SMB_BIG_UINT) IVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset)));
4575 #else /* HAVE_LONGLONG */
4576
4577                 /*
4578                  * NT4.x seems to be broken in that it sends large file (64 bit)
4579                  * lockingX calls even if the CAP_LARGE_FILES was *not*
4580                  * negotiated. For boxes without large unsigned ints mangle the
4581                  * lock offset by mapping the top 32 bits onto the lower 32.
4582                  */
4583
4584                 if(IVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset)) != 0) {
4585                         uint32 low = IVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset));
4586                         uint32 high = IVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset));
4587                         uint32 new_low = 0;
4588
4589                         if((new_low = map_lock_offset(high, low)) == 0) {
4590                                 *err = True;
4591                                 return (SMB_BIG_UINT)-1;
4592                         }
4593
4594                         DEBUG(3,("get_lock_offset: truncating lock offset (high)0x%x (low)0x%x to offset 0x%x.\n",
4595                                 (unsigned int)high, (unsigned int)low, (unsigned int)new_low ));
4596                         SIVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset),0);
4597                         SIVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset),new_low);
4598                 }
4599
4600                 offset = (SMB_BIG_UINT)IVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset));
4601 #endif /* HAVE_LONGLONG */
4602         }
4603
4604         return offset;
4605 }
4606
4607 /****************************************************************************
4608  Reply to a lockingX request.
4609 ****************************************************************************/
4610
4611 int reply_lockingX(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize)
4612 {
4613         files_struct *fsp = file_fsp(inbuf,smb_vwv2);
4614         unsigned char locktype = CVAL(inbuf,smb_vwv3);
4615         unsigned char oplocklevel = CVAL(inbuf,smb_vwv3+1);
4616         uint16 num_ulocks = SVAL(inbuf,smb_vwv6);
4617         uint16 num_locks = SVAL(inbuf,smb_vwv7);
4618         SMB_BIG_UINT count = 0, offset = 0;
4619         uint16 lock_pid;
4620         int32 lock_timeout = IVAL(inbuf,smb_vwv4);
4621         int i;
4622         char *data;
4623         BOOL large_file_format = (locktype & LOCKING_ANDX_LARGE_FILES)?True:False;
4624         BOOL err;
4625         BOOL my_lock_ctx = False;
4626         NTSTATUS status;
4627
4628         START_PROFILE(SMBlockingX);
4629
4630         CHECK_FSP(fsp,conn);
4631
4632         data = smb_buf(inbuf);
4633
4634         if (locktype & LOCKING_ANDX_CHANGE_LOCKTYPE) {
4635                 /* we don't support these - and CANCEL_LOCK makes w2k
4636                    and XP reboot so I don't really want to be
4637                    compatible! (tridge) */
4638                 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
4639         }
4640
4641         if (locktype & LOCKING_ANDX_CANCEL_LOCK) {
4642                 /* Need to make this like a cancel.... JRA. */
4643                 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
4644         }
4645
4646         /* Check if this is an oplock break on a file
4647            we have granted an oplock on.
4648         */
4649         if ((locktype & LOCKING_ANDX_OPLOCK_RELEASE)) {
4650                 /* Client can insist on breaking to none. */
4651                 BOOL break_to_none = (oplocklevel == 0);
4652
4653                 DEBUG(5,("reply_lockingX: oplock break reply (%u) from client for fnum = %d\n",
4654                          (unsigned int)oplocklevel, fsp->fnum ));
4655
4656                 /*
4657                  * Make sure we have granted an exclusive or batch oplock on this file.
4658                  */
4659
4660                 if(!EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
4661                         DEBUG(0,("reply_lockingX: Error : oplock break from client for fnum = %d and \
4662 no oplock granted on this file (%s).\n", fsp->fnum, fsp->fsp_name));
4663
4664                         /* if this is a pure oplock break request then don't send a reply */
4665                         if (num_locks == 0 && num_ulocks == 0) {
4666                                 END_PROFILE(SMBlockingX);
4667                                 return -1;
4668                         } else {
4669                                 END_PROFILE(SMBlockingX);
4670                                 return ERROR_DOS(ERRDOS,ERRlock);
4671                         }
4672                 }
4673
4674                 if (remove_oplock(fsp, break_to_none) == False) {
4675                         DEBUG(0,("reply_lockingX: error in removing oplock on file %s\n",
4676                                  fsp->fsp_name ));
4677                 }
4678
4679                 /* if this is a pure oplock break request then don't send a reply */
4680                 if (num_locks == 0 && num_ulocks == 0) {
4681                         /* Sanity check - ensure a pure oplock break is not a
4682                            chained request. */
4683                         if(CVAL(inbuf,smb_vwv0) != 0xff)
4684                                 DEBUG(0,("reply_lockingX: Error : pure oplock break is a chained %d request !\n",
4685                                          (unsigned int)CVAL(inbuf,smb_vwv0) ));
4686                         END_PROFILE(SMBlockingX);
4687                         return -1;
4688                 }
4689         }
4690
4691         /*
4692          * We do this check *after* we have checked this is not a oplock break
4693          * response message. JRA.
4694          */
4695
4696         release_level_2_oplocks_on_change(fsp);
4697
4698         /* Data now points at the beginning of the list
4699            of smb_unlkrng structs */
4700         for(i = 0; i < (int)num_ulocks; i++) {
4701                 lock_pid = get_lock_pid( data, i, large_file_format);
4702                 count = get_lock_count( data, i, large_file_format);
4703                 offset = get_lock_offset( data, i, large_file_format, &err);
4704
4705                 /*
4706                  * There is no error code marked "stupid client bug".... :-).
4707                  */
4708                 if(err) {
4709                         END_PROFILE(SMBlockingX);
4710                         return ERROR_DOS(ERRDOS,ERRnoaccess);
4711                 }
4712
4713                 DEBUG(10,("reply_lockingX: unlock start=%.0f, len=%.0f for pid %u, file %s\n",
4714                           (double)offset, (double)count, (unsigned int)lock_pid, fsp->fsp_name ));
4715
4716                 status = do_unlock(fsp,conn,lock_pid,count,offset);
4717                 if (NT_STATUS_V(status)) {
4718                         END_PROFILE(SMBlockingX);
4719                         return ERROR_NT(status);
4720                 }
4721         }
4722
4723         /* Setup the timeout in seconds. */
4724
4725         lock_timeout = ((lock_timeout == -1) ? -1 : (lock_timeout+999)/1000);
4726
4727         /* Now do any requested locks */
4728         data += ((large_file_format ? 20 : 10)*num_ulocks);
4729
4730         /* Data now points at the beginning of the list
4731            of smb_lkrng structs */
4732
4733         for(i = 0; i < (int)num_locks; i++) {
4734                 lock_pid = get_lock_pid( data, i, large_file_format);
4735                 count = get_lock_count( data, i, large_file_format);
4736                 offset = get_lock_offset( data, i, large_file_format, &err);
4737
4738                 /*
4739                  * There is no error code marked "stupid client bug".... :-).
4740                  */
4741                 if(err) {
4742                         END_PROFILE(SMBlockingX);
4743                         return ERROR_DOS(ERRDOS,ERRnoaccess);
4744                 }
4745
4746                 DEBUG(10,("reply_lockingX: lock start=%.0f, len=%.0f for pid %u, file %s timeout = %d\n",
4747                         (double)offset, (double)count, (unsigned int)lock_pid,
4748                         fsp->fsp_name, (int)lock_timeout ));
4749
4750                 status = do_lock_spin(fsp,conn,lock_pid, count,offset,
4751                                  ((locktype & 1) ? READ_LOCK : WRITE_LOCK), &my_lock_ctx);
4752                 if (NT_STATUS_V(status)) {
4753                         /*
4754                          * Interesting fact found by IFSTEST /t LockOverlappedTest...
4755                          * Even if it's our own lock context, we need to wait here as
4756                          * there may be an unlock on the way.
4757                          * So I removed a "&& !my_lock_ctx" from the following
4758                          * if statement. JRA.
4759                          */
4760                         if ((lock_timeout != 0) && lp_blocking_locks(SNUM(conn)) && ERROR_WAS_LOCK_DENIED(status)) {
4761                                 /*
4762                                  * A blocking lock was requested. Package up
4763                                  * this smb into a queued request and push it
4764                                  * onto the blocking lock queue.
4765                                  */
4766                                 if(push_blocking_lock_request(inbuf, length, lock_timeout, i, lock_pid, offset, count)) {
4767                                         END_PROFILE(SMBlockingX);
4768                                         return -1;
4769                                 }
4770                         }
4771                         break;
4772                 }
4773         }
4774
4775         /* If any of the above locks failed, then we must unlock
4776            all of the previous locks (X/Open spec). */
4777         if (i != num_locks && num_locks != 0) {
4778                 /*
4779                  * Ensure we don't do a remove on the lock that just failed,
4780                  * as under POSIX rules, if we have a lock already there, we
4781                  * will delete it (and we shouldn't) .....
4782                  */
4783                 for(i--; i >= 0; i--) {
4784                         lock_pid = get_lock_pid( data, i, large_file_format);
4785                         count = get_lock_count( data, i, large_file_format);
4786                         offset = get_lock_offset( data, i, large_file_format, &err);
4787
4788                         /*
4789                          * There is no error code marked "stupid client bug".... :-).
4790                          */
4791                         if(err) {
4792                                 END_PROFILE(SMBlockingX);
4793                                 return ERROR_DOS(ERRDOS,ERRnoaccess);
4794                         }
4795
4796                         do_unlock(fsp,conn,lock_pid,count,offset);
4797                 }
4798                 END_PROFILE(SMBlockingX);
4799                 return ERROR_NT(status);
4800         }
4801
4802         set_message(outbuf,2,0,True);
4803
4804         DEBUG( 3, ( "lockingX fnum=%d type=%d num_locks=%d num_ulocks=%d\n",
4805                     fsp->fnum, (unsigned int)locktype, num_locks, num_ulocks ) );
4806
4807         END_PROFILE(SMBlockingX);
4808         return chain_reply(inbuf,outbuf,length,bufsize);
4809 }
4810
4811 /****************************************************************************
4812  Reply to a SMBreadbmpx (read block multiplex) request.
4813 ****************************************************************************/
4814
4815 int reply_readbmpx(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize)
4816 {
4817         ssize_t nread = -1;
4818         ssize_t total_read;
4819         char *data;
4820         SMB_OFF_T startpos;
4821         int outsize;
4822         size_t maxcount;
4823         int max_per_packet;
4824         size_t tcount;
4825         int pad;
4826         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
4827         START_PROFILE(SMBreadBmpx);
4828
4829         /* this function doesn't seem to work - disable by default */
4830         if (!lp_readbmpx()) {
4831                 END_PROFILE(SMBreadBmpx);
4832                 return ERROR_DOS(ERRSRV,ERRuseSTD);
4833         }
4834
4835         outsize = set_message(outbuf,8,0,True);
4836
4837         CHECK_FSP(fsp,conn);
4838         CHECK_READ(fsp);
4839
4840         startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv1);
4841         maxcount = SVAL(inbuf,smb_vwv3);
4842
4843         data = smb_buf(outbuf);
4844         pad = ((long)data)%4;
4845         if (pad)
4846                 pad = 4 - pad;
4847         data += pad;
4848
4849         max_per_packet = bufsize-(outsize+pad);
4850         tcount = maxcount;
4851         total_read = 0;
4852
4853         if (is_locked(fsp,conn,(SMB_BIG_UINT)maxcount,(SMB_BIG_UINT)startpos, READ_LOCK)) {
4854                 END_PROFILE(SMBreadBmpx);
4855                 return ERROR_DOS(ERRDOS,ERRlock);
4856         }
4857
4858         do {
4859                 size_t N = MIN(max_per_packet,tcount-total_read);
4860
4861                 nread = read_file(fsp,data,startpos,N);
4862
4863                 if (nread <= 0)
4864                         nread = 0;
4865
4866                 if (nread < (ssize_t)N)
4867                         tcount = total_read + nread;
4868
4869                 set_message(outbuf,8,nread,False);
4870                 SIVAL(outbuf,smb_vwv0,startpos);
4871                 SSVAL(outbuf,smb_vwv2,tcount);
4872                 SSVAL(outbuf,smb_vwv6,nread);
4873                 SSVAL(outbuf,smb_vwv7,smb_offset(data,outbuf));
4874
4875                 if (!send_smb(smbd_server_fd(),outbuf))
4876                         exit_server("reply_readbmpx: send_smb failed.");
4877
4878                 total_read += nread;
4879                 startpos += nread;
4880         } while (total_read < (ssize_t)tcount);
4881
4882         END_PROFILE(SMBreadBmpx);
4883         return(-1);
4884 }
4885
4886 /****************************************************************************
4887  Reply to a SMBsetattrE.
4888 ****************************************************************************/
4889
4890 int reply_setattrE(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
4891 {
4892         struct utimbuf unix_times;
4893         int outsize = 0;
4894         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
4895         START_PROFILE(SMBsetattrE);
4896
4897         outsize = set_message(outbuf,0,0,True);
4898
4899         if(!fsp || (fsp->conn != conn)) {
4900                 END_PROFILE(SMBgetattrE);
4901                 return ERROR_DOS(ERRDOS,ERRbadfid);
4902         }
4903
4904         /*
4905          * Convert the DOS times into unix times. Ignore create
4906          * time as UNIX can't set this.
4907          */
4908
4909         unix_times.actime = make_unix_date2(inbuf+smb_vwv3);
4910         unix_times.modtime = make_unix_date2(inbuf+smb_vwv5);
4911
4912         /*
4913          * Patch from Ray Frush <frush@engr.colostate.edu>
4914          * Sometimes times are sent as zero - ignore them.
4915          */
4916
4917         if (null_mtime(unix_times.actime) && null_mtime(unix_times.modtime)) {
4918                 /* Ignore request */
4919                 if( DEBUGLVL( 3 ) ) {
4920                         dbgtext( "reply_setattrE fnum=%d ", fsp->fnum);
4921                         dbgtext( "ignoring zero request - not setting timestamps of 0\n" );
4922                 }
4923                 END_PROFILE(SMBsetattrE);
4924                 return(outsize);
4925         } else if (!null_mtime(unix_times.actime) && null_mtime(unix_times.modtime)) {
4926                 /* set modify time = to access time if modify time was unset */
4927                 unix_times.modtime = unix_times.actime;
4928         }
4929
4930         /* Set the date on this file */
4931         /* Should we set pending modtime here ? JRA */
4932         if(file_utime(conn, fsp->fsp_name, &unix_times)) {
4933                 END_PROFILE(SMBsetattrE);
4934                 return ERROR_DOS(ERRDOS,ERRnoaccess);
4935         }
4936
4937         DEBUG( 3, ( "reply_setattrE fnum=%d actime=%d modtime=%d\n",
4938                 fsp->fnum, (int)unix_times.actime, (int)unix_times.modtime ) );
4939
4940         END_PROFILE(SMBsetattrE);
4941         return(outsize);
4942 }
4943
4944
4945 /* Back from the dead for OS/2..... JRA. */
4946
4947 /****************************************************************************
4948  Reply to a SMBwritebmpx (write block multiplex primary) request.
4949 ****************************************************************************/
4950
4951 int reply_writebmpx(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
4952 {
4953         size_t numtowrite;
4954         ssize_t nwritten = -1;
4955         int outsize = 0;
4956         SMB_OFF_T startpos;
4957         size_t tcount;
4958         BOOL write_through;
4959         int smb_doff;
4960         char *data;
4961         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
4962         START_PROFILE(SMBwriteBmpx);
4963
4964         CHECK_FSP(fsp,conn);
4965         CHECK_WRITE(fsp);
4966         CHECK_ERROR(fsp);
4967
4968         tcount = SVAL(inbuf,smb_vwv1);
4969         startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv3);
4970         write_through = BITSETW(inbuf+smb_vwv7,0);
4971         numtowrite = SVAL(inbuf,smb_vwv10);
4972         smb_doff = SVAL(inbuf,smb_vwv11);
4973
4974         data = smb_base(inbuf) + smb_doff;
4975
4976         /* If this fails we need to send an SMBwriteC response,
4977                 not an SMBwritebmpx - set this up now so we don't forget */
4978         SCVAL(outbuf,smb_com,SMBwritec);
4979
4980         if (is_locked(fsp,conn,(SMB_BIG_UINT)tcount,(SMB_BIG_UINT)startpos,WRITE_LOCK)) {
4981                 END_PROFILE(SMBwriteBmpx);
4982                 return(ERROR_DOS(ERRDOS,ERRlock));
4983         }
4984
4985         nwritten = write_file(fsp,data,startpos,numtowrite);
4986
4987         if(lp_syncalways(SNUM(conn)) || write_through)
4988                 sync_file(conn,fsp);
4989
4990         if(nwritten < (ssize_t)numtowrite) {
4991                 END_PROFILE(SMBwriteBmpx);
4992                 return(UNIXERROR(ERRHRD,ERRdiskfull));
4993         }
4994
4995         /* If the maximum to be written to this file
4996                 is greater than what we just wrote then set
4997                 up a secondary struct to be attached to this
4998                 fd, we will use this to cache error messages etc. */
4999
5000         if((ssize_t)tcount > nwritten) {
5001                 write_bmpx_struct *wbms;
5002                 if(fsp->wbmpx_ptr != NULL)
5003                         wbms = fsp->wbmpx_ptr; /* Use an existing struct */
5004                 else
5005                         wbms = SMB_MALLOC_P(write_bmpx_struct);
5006                 if(!wbms) {
5007                         DEBUG(0,("Out of memory in reply_readmpx\n"));
5008                         END_PROFILE(SMBwriteBmpx);
5009                         return(ERROR_DOS(ERRSRV,ERRnoresource));
5010                 }
5011                 wbms->wr_mode = write_through;
5012                 wbms->wr_discard = False; /* No errors yet */
5013                 wbms->wr_total_written = nwritten;
5014                 wbms->wr_errclass = 0;
5015                 wbms->wr_error = 0;
5016                 fsp->wbmpx_ptr = wbms;
5017         }
5018
5019         /* We are returning successfully, set the message type back to
5020                 SMBwritebmpx */
5021         SCVAL(outbuf,smb_com,SMBwriteBmpx);
5022
5023         outsize = set_message(outbuf,1,0,True);
5024
5025         SSVALS(outbuf,smb_vwv0,-1); /* We don't support smb_remaining */
5026
5027         DEBUG( 3, ( "writebmpx fnum=%d num=%d wrote=%d\n",
5028                         fsp->fnum, (int)numtowrite, (int)nwritten ) );
5029
5030         if (write_through && tcount==nwritten) {
5031                 /* We need to send both a primary and a secondary response */
5032                 smb_setlen(outbuf,outsize - 4);
5033                 if (!send_smb(smbd_server_fd(),outbuf))
5034                         exit_server("reply_writebmpx: send_smb failed.");
5035
5036                 /* Now the secondary */
5037                 outsize = set_message(outbuf,1,0,True);
5038                 SCVAL(outbuf,smb_com,SMBwritec);
5039                 SSVAL(outbuf,smb_vwv0,nwritten);
5040         }
5041
5042         END_PROFILE(SMBwriteBmpx);
5043         return(outsize);
5044 }
5045
5046 /****************************************************************************
5047  Reply to a SMBwritebs (write block multiplex secondary) request.
5048 ****************************************************************************/
5049
5050 int reply_writebs(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
5051 {
5052         size_t numtowrite;
5053         ssize_t nwritten = -1;
5054         int outsize = 0;
5055         SMB_OFF_T startpos;
5056         size_t tcount;
5057         BOOL write_through;
5058         int smb_doff;
5059         char *data;
5060         write_bmpx_struct *wbms;
5061         BOOL send_response = False;
5062         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
5063         START_PROFILE(SMBwriteBs);
5064
5065         CHECK_FSP(fsp,conn);
5066         CHECK_WRITE(fsp);
5067
5068         tcount = SVAL(inbuf,smb_vwv1);
5069         startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv2);
5070         numtowrite = SVAL(inbuf,smb_vwv6);
5071         smb_doff = SVAL(inbuf,smb_vwv7);
5072
5073         data = smb_base(inbuf) + smb_doff;
5074
5075         /* We need to send an SMBwriteC response, not an SMBwritebs */
5076         SCVAL(outbuf,smb_com,SMBwritec);
5077
5078         /* This fd should have an auxiliary struct attached,
5079                 check that it does */
5080         wbms = fsp->wbmpx_ptr;
5081         if(!wbms) {
5082                 END_PROFILE(SMBwriteBs);
5083                 return(-1);
5084         }
5085
5086         /* If write through is set we can return errors, else we must cache them */
5087         write_through = wbms->wr_mode;
5088
5089         /* Check for an earlier error */
5090         if(wbms->wr_discard) {
5091                 END_PROFILE(SMBwriteBs);
5092                 return -1; /* Just discard the packet */
5093         }
5094
5095         nwritten = write_file(fsp,data,startpos,numtowrite);
5096
5097         if(lp_syncalways(SNUM(conn)) || write_through)
5098                 sync_file(conn,fsp);
5099
5100         if (nwritten < (ssize_t)numtowrite) {
5101                 if(write_through) {
5102                         /* We are returning an error - we can delete the aux struct */
5103                         if (wbms)
5104                                 free((char *)wbms);
5105                         fsp->wbmpx_ptr = NULL;
5106                         END_PROFILE(SMBwriteBs);
5107                         return(ERROR_DOS(ERRHRD,ERRdiskfull));
5108                 }
5109                 END_PROFILE(SMBwriteBs);
5110                 return(CACHE_ERROR(wbms,ERRHRD,ERRdiskfull));
5111         }
5112
5113         /* Increment the total written, if this matches tcount
5114                 we can discard the auxiliary struct (hurrah !) and return a writeC */
5115         wbms->wr_total_written += nwritten;
5116         if(wbms->wr_total_written >= tcount) {
5117                 if (write_through) {
5118                         outsize = set_message(outbuf,1,0,True);
5119                         SSVAL(outbuf,smb_vwv0,wbms->wr_total_written);
5120                         send_response = True;
5121                 }
5122
5123                 free((char *)wbms);
5124                 fsp->wbmpx_ptr = NULL;
5125         }
5126
5127         if(send_response) {
5128                 END_PROFILE(SMBwriteBs);
5129                 return(outsize);
5130         }
5131
5132         END_PROFILE(SMBwriteBs);
5133         return(-1);
5134 }
5135
5136 /****************************************************************************
5137  Reply to a SMBgetattrE.
5138 ****************************************************************************/
5139
5140 int reply_getattrE(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
5141 {
5142         SMB_STRUCT_STAT sbuf;
5143         int outsize = 0;
5144         int mode;
5145         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
5146         START_PROFILE(SMBgetattrE);
5147
5148         outsize = set_message(outbuf,11,0,True);
5149
5150         if(!fsp || (fsp->conn != conn)) {
5151                 END_PROFILE(SMBgetattrE);
5152                 return ERROR_DOS(ERRDOS,ERRbadfid);
5153         }
5154
5155         /* Do an fstat on this file */
5156         if(fsp_stat(fsp, &sbuf)) {
5157                 END_PROFILE(SMBgetattrE);
5158                 return(UNIXERROR(ERRDOS,ERRnoaccess));
5159         }
5160
5161         mode = dos_mode(conn,fsp->fsp_name,&sbuf);
5162
5163         /*
5164          * Convert the times into dos times. Set create
5165          * date to be last modify date as UNIX doesn't save
5166          * this.
5167          */
5168
5169         put_dos_date2(outbuf,smb_vwv0,get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn))));
5170         put_dos_date2(outbuf,smb_vwv2,sbuf.st_atime);
5171         /* Should we check pending modtime here ? JRA */
5172         put_dos_date2(outbuf,smb_vwv4,sbuf.st_mtime);
5173
5174         if (mode & aDIR) {
5175                 SIVAL(outbuf,smb_vwv6,0);
5176                 SIVAL(outbuf,smb_vwv8,0);
5177         } else {
5178                 uint32 allocation_size = get_allocation_size(conn,fsp, &sbuf);
5179                 SIVAL(outbuf,smb_vwv6,(uint32)sbuf.st_size);
5180                 SIVAL(outbuf,smb_vwv8,allocation_size);
5181         }
5182         SSVAL(outbuf,smb_vwv10, mode);
5183
5184         DEBUG( 3, ( "reply_getattrE fnum=%d\n", fsp->fnum));
5185
5186         END_PROFILE(SMBgetattrE);
5187         return(outsize);
5188 }